Debian Security Advisory

DSA-2058-1 glibc, eglibc -- multiple vulnerabilities

Date Reported:
10 Jun 2010
Affected Packages:
glibc, eglibc
Vulnerable:
Yes
Security database references:
In the Debian bugtracking system: Bug 583908.
In Mitre's CVE dictionary: CVE-2008-1391, CVE-2009-4880, CVE-2009-4881, CVE-2010-0296, CVE-2010-0830.
More information:

Several vulnerabilities have been discovered in the GNU C Library (aka glibc) and its derivatives. The Common Vulnerabilities and Exposures project identifies the following problems:

  • CVE-2008-1391, CVE-2009-4880, CVE-2009-4881

    Maksymilian Arciemowicz discovered that the GNU C library did not correctly handle integer overflows in the strfmon family of functions. If a user or automated system were tricked into processing a specially crafted format string, a remote attacker could crash applications, leading to a denial of service.

  • CVE-2010-0296

    Jeff Layton and Dan Rosenberg discovered that the GNU C library did not correctly handle newlines in the mntent family of functions. If a local attacker were able to inject newlines into a mount entry through other vulnerable mount helpers, they could disrupt the system or possibly gain root privileges.

  • CVE-2010-0830

    Dan Rosenberg discovered that the GNU C library did not correctly validate certain ELF program headers. If a user or automated system were tricked into verifying a specially crafted ELF program, a remote attacker could execute arbitrary code with user privileges.

For the stable distribution (lenny), these problems have been fixed in version 2.7-18lenny4 of the glibc package.

For the testing distribution (squeeze), these problems will be fixed soon.

For the unstable distribution (sid), these problems has been fixed in version 2.1.11-1 of the eglibc package.

We recommend that you upgrade your glibc or eglibc packages.

Fixed in:

Debian GNU/Linux 5.0 (lenny)

Source:
http://security.debian.org/pool/updates/main/g/glibc/glibc_2.7-18lenny4.diff.gz
http://security.debian.org/pool/updates/main/g/glibc/glibc_2.7.orig.tar.gz
http://security.debian.org/pool/updates/main/g/glibc/glibc_2.7-18lenny4.dsc
Architecture-independent component:
http://security.debian.org/pool/updates/main/g/glibc/glibc-source_2.7-18lenny4_all.deb
http://security.debian.org/pool/updates/main/g/glibc/locales_2.7-18lenny4_all.deb
http://security.debian.org/pool/updates/main/g/glibc/glibc-doc_2.7-18lenny4_all.deb
Alpha:
http://security.debian.org/pool/updates/main/g/glibc/libc6.1-pic_2.7-18lenny4_alpha.deb
http://security.debian.org/pool/updates/main/g/glibc/libc6.1-dbg_2.7-18lenny4_alpha.deb
http://security.debian.org/pool/updates/main/g/glibc/libnss-files-udeb_2.7-18lenny4_alpha.udeb
http://security.debian.org/pool/updates/main/g/glibc/libc6.1-dev_2.7-18lenny4_alpha.deb
http://security.debian.org/pool/updates/main/g/glibc/libnss-dns-udeb_2.7-18lenny4_alpha.udeb
http://security.debian.org/pool/updates/main/g/glibc/libc6.1_2.7-18lenny4_alpha.deb
http://security.debian.org/pool/updates/main/g/glibc/libc6.1-prof_2.7-18lenny4_alpha.deb
http://security.debian.org/pool/updates/main/g/glibc/nscd_2.7-18lenny4_alpha.deb
http://security.debian.org/pool/updates/main/g/glibc/libc6.1-alphaev67_2.7-18lenny4_alpha.deb
http://security.debian.org/pool/updates/main/g/glibc/locales-all_2.7-18lenny4_alpha.deb
http://security.debian.org/pool/updates/main/g/glibc/libc6.1-udeb_2.7-18lenny4_alpha.udeb
AMD64:
http://security.debian.org/pool/updates/main/g/glibc/libc6-dev-i386_2.7-18lenny4_amd64.deb
http://security.debian.org/pool/updates/main/g/glibc/locales-all_2.7-18lenny4_amd64.deb
http://security.debian.org/pool/updates/main/g/glibc/libc6-i386_2.7-18lenny4_amd64.deb
http://security.debian.org/pool/updates/main/g/glibc/libc6-dbg_2.7-18lenny4_amd64.deb
http://security.debian.org/pool/updates/main/g/glibc/libc6_2.7-18lenny4_amd64.deb
http://security.debian.org/pool/updates/main/g/glibc/libc6-prof_2.7-18lenny4_amd64.deb
http://security.debian.org/pool/updates/main/g/glibc/libnss-dns-udeb_2.7-18lenny4_amd64.udeb
http://security.debian.org/pool/updates/main/g/glibc/nscd_2.7-18lenny4_amd64.deb
http://security.debian.org/pool/updates/main/g/glibc/libc6-dev_2.7-18lenny4_amd64.deb
http://security.debian.org/pool/updates/main/g/glibc/libc6-pic_2.7-18lenny4_amd64.deb
http://security.debian.org/pool/updates/main/g/glibc/libnss-files-udeb_2.7-18lenny4_amd64.udeb
http://security.debian.org/pool/updates/main/g/glibc/libc6-udeb_2.7-18lenny4_amd64.udeb
ARM:
http://security.debian.org/pool/updates/main/g/glibc/libnss-files-udeb_2.7-18lenny4_arm.udeb
http://security.debian.org/pool/updates/main/g/glibc/libc6-dev_2.7-18lenny4_arm.deb
http://security.debian.org/pool/updates/main/g/glibc/locales-all_2.7-18lenny4_arm.deb
http://security.debian.org/pool/updates/main/g/glibc/libc6-udeb_2.7-18lenny4_arm.udeb
http://security.debian.org/pool/updates/main/g/glibc/libc6-dbg_2.7-18lenny4_arm.deb
http://security.debian.org/pool/updates/main/g/glibc/nscd_2.7-18lenny4_arm.deb
http://security.debian.org/pool/updates/main/g/glibc/libc6-pic_2.7-18lenny4_arm.deb
http://security.debian.org/pool/updates/main/g/glibc/libc6_2.7-18lenny4_arm.deb
http://security.debian.org/pool/updates/main/g/glibc/libnss-dns-udeb_2.7-18lenny4_arm.udeb
http://security.debian.org/pool/updates/main/g/glibc/libc6-prof_2.7-18lenny4_arm.deb
ARM EABI:
http://security.debian.org/pool/updates/main/g/glibc/libc6-dbg_2.7-18lenny4_armel.deb
http://security.debian.org/pool/updates/main/g/glibc/libc6-prof_2.7-18lenny4_armel.deb
http://security.debian.org/pool/updates/main/g/glibc/libc6-udeb_2.7-18lenny4_armel.udeb
http://security.debian.org/pool/updates/main/g/glibc/locales-all_2.7-18lenny4_armel.deb
http://security.debian.org/pool/updates/main/g/glibc/libc6-pic_2.7-18lenny4_armel.deb
http://security.debian.org/pool/updates/main/g/glibc/nscd_2.7-18lenny4_armel.deb
http://security.debian.org/pool/updates/main/g/glibc/libnss-dns-udeb_2.7-18lenny4_armel.udeb
http://security.debian.org/pool/updates/main/g/glibc/libc6-dev_2.7-18lenny4_armel.deb
http://security.debian.org/pool/updates/main/g/glibc/libc6_2.7-18lenny4_armel.deb
http://security.debian.org/pool/updates/main/g/glibc/libnss-files-udeb_2.7-18lenny4_armel.udeb
HP Precision:
http://security.debian.org/pool/updates/main/g/glibc/libnss-files-udeb_2.7-18lenny4_hppa.udeb
http://security.debian.org/pool/updates/main/g/glibc/libc6-prof_2.7-18lenny4_hppa.deb
http://security.debian.org/pool/updates/main/g/glibc/libc6-dbg_2.7-18lenny4_hppa.deb
http://security.debian.org/pool/updates/main/g/glibc/libc6-udeb_2.7-18lenny4_hppa.udeb
http://security.debian.org/pool/updates/main/g/glibc/libnss-dns-udeb_2.7-18lenny4_hppa.udeb
http://security.debian.org/pool/updates/main/g/glibc/libc6-dev_2.7-18lenny4_hppa.deb
http://security.debian.org/pool/updates/main/g/glibc/libc6-pic_2.7-18lenny4_hppa.deb
http://security.debian.org/pool/updates/main/g/glibc/locales-all_2.7-18lenny4_hppa.deb
http://security.debian.org/pool/updates/main/g/glibc/libc6_2.7-18lenny4_hppa.deb
http://security.debian.org/pool/updates/main/g/glibc/nscd_2.7-18lenny4_hppa.deb
Intel IA-32:
http://security.debian.org/pool/updates/main/g/glibc/nscd_2.7-18lenny4_i386.deb
http://security.debian.org/pool/updates/main/g/glibc/libc6-udeb_2.7-18lenny4_i386.udeb
http://security.debian.org/pool/updates/main/g/glibc/libc6_2.7-18lenny4_i386.deb
http://security.debian.org/pool/updates/main/g/glibc/libc6-pic_2.7-18lenny4_i386.deb
http://security.debian.org/pool/updates/main/g/glibc/libnss-dns-udeb_2.7-18lenny4_i386.udeb
http://security.debian.org/pool/updates/main/g/glibc/libc6-i686_2.7-18lenny4_i386.deb
http://security.debian.org/pool/updates/main/g/glibc/libc6-dev_2.7-18lenny4_i386.deb
http://security.debian.org/pool/updates/main/g/glibc/locales-all_2.7-18lenny4_i386.deb
http://security.debian.org/pool/updates/main/g/glibc/libc6-xen_2.7-18lenny4_i386.deb
http://security.debian.org/pool/updates/main/g/glibc/libc6-amd64_2.7-18lenny4_i386.deb
http://security.debian.org/pool/updates/main/g/glibc/libc6-prof_2.7-18lenny4_i386.deb
http://security.debian.org/pool/updates/main/g/glibc/libc6-dbg_2.7-18lenny4_i386.deb
http://security.debian.org/pool/updates/main/g/glibc/libc6-dev-amd64_2.7-18lenny4_i386.deb
http://security.debian.org/pool/updates/main/g/glibc/libnss-files-udeb_2.7-18lenny4_i386.udeb
Intel IA-64:
http://security.debian.org/pool/updates/main/g/glibc/locales-all_2.7-18lenny4_ia64.deb
http://security.debian.org/pool/updates/main/g/glibc/libc6.1-udeb_2.7-18lenny4_ia64.udeb
http://security.debian.org/pool/updates/main/g/glibc/libc6.1_2.7-18lenny4_ia64.deb
http://security.debian.org/pool/updates/main/g/glibc/libc6.1-dbg_2.7-18lenny4_ia64.deb
http://security.debian.org/pool/updates/main/g/glibc/libnss-dns-udeb_2.7-18lenny4_ia64.udeb
http://security.debian.org/pool/updates/main/g/glibc/libc6.1-dev_2.7-18lenny4_ia64.deb
http://security.debian.org/pool/updates/main/g/glibc/libc6.1-prof_2.7-18lenny4_ia64.deb
http://security.debian.org/pool/updates/main/g/glibc/nscd_2.7-18lenny4_ia64.deb
http://security.debian.org/pool/updates/main/g/glibc/libnss-files-udeb_2.7-18lenny4_ia64.udeb
http://security.debian.org/pool/updates/main/g/glibc/libc6.1-pic_2.7-18lenny4_ia64.deb
Big-endian MIPS:
http://security.debian.org/pool/updates/main/g/glibc/libc6-prof_2.7-18lenny4_mips.deb
http://security.debian.org/pool/updates/main/g/glibc/libc6-udeb_2.7-18lenny4_mips.udeb
http://security.debian.org/pool/updates/main/g/glibc/locales-all_2.7-18lenny4_mips.deb
http://security.debian.org/pool/updates/main/g/glibc/libnss-dns-udeb_2.7-18lenny4_mips.udeb
http://security.debian.org/pool/updates/main/g/glibc/libc6-dev-mips64_2.7-18lenny4_mips.deb
http://security.debian.org/pool/updates/main/g/glibc/libc6-dev_2.7-18lenny4_mips.deb
http://security.debian.org/pool/updates/main/g/glibc/nscd_2.7-18lenny4_mips.deb
http://security.debian.org/pool/updates/main/g/glibc/libc6-mipsn32_2.7-18lenny4_mips.deb
http://security.debian.org/pool/updates/main/g/glibc/libc6-mips64_2.7-18lenny4_mips.deb
http://security.debian.org/pool/updates/main/g/glibc/libc6-dbg_2.7-18lenny4_mips.deb
http://security.debian.org/pool/updates/main/g/glibc/libc6-dev-mipsn32_2.7-18lenny4_mips.deb
http://security.debian.org/pool/updates/main/g/glibc/libnss-files-udeb_2.7-18lenny4_mips.udeb
http://security.debian.org/pool/updates/main/g/glibc/libc6-pic_2.7-18lenny4_mips.deb
http://security.debian.org/pool/updates/main/g/glibc/libc6_2.7-18lenny4_mips.deb
Little-endian MIPS:
http://security.debian.org/pool/updates/main/g/glibc/libc6-mips64_2.7-18lenny4_mipsel.deb
http://security.debian.org/pool/updates/main/g/glibc/libc6-udeb_2.7-18lenny4_mipsel.udeb
http://security.debian.org/pool/updates/main/g/glibc/nscd_2.7-18lenny4_mipsel.deb
http://security.debian.org/pool/updates/main/g/glibc/libnss-dns-udeb_2.7-18lenny4_mipsel.udeb
http://security.debian.org/pool/updates/main/g/glibc/libc6-dev-mips64_2.7-18lenny4_mipsel.deb
http://security.debian.org/pool/updates/main/g/glibc/libc6-dev-mipsn32_2.7-18lenny4_mipsel.deb
http://security.debian.org/pool/updates/main/g/glibc/libc6_2.7-18lenny4_mipsel.deb
http://security.debian.org/pool/updates/main/g/glibc/libnss-files-udeb_2.7-18lenny4_mipsel.udeb
http://security.debian.org/pool/updates/main/g/glibc/libc6-pic_2.7-18lenny4_mipsel.deb
http://security.debian.org/pool/updates/main/g/glibc/libc6-prof_2.7-18lenny4_mipsel.deb
http://security.debian.org/pool/updates/main/g/glibc/libc6-dev_2.7-18lenny4_mipsel.deb
http://security.debian.org/pool/updates/main/g/glibc/libc6-mipsn32_2.7-18lenny4_mipsel.deb
http://security.debian.org/pool/updates/main/g/glibc/locales-all_2.7-18lenny4_mipsel.deb
http://security.debian.org/pool/updates/main/g/glibc/libc6-dbg_2.7-18lenny4_mipsel.deb
PowerPC:
http://security.debian.org/pool/updates/main/g/glibc/libc6-ppc64_2.7-18lenny4_powerpc.deb
http://security.debian.org/pool/updates/main/g/glibc/libnss-files-udeb_2.7-18lenny4_powerpc.udeb
http://security.debian.org/pool/updates/main/g/glibc/libc6_2.7-18lenny4_powerpc.deb
http://security.debian.org/pool/updates/main/g/glibc/libnss-dns-udeb_2.7-18lenny4_powerpc.udeb
http://security.debian.org/pool/updates/main/g/glibc/locales-all_2.7-18lenny4_powerpc.deb
http://security.debian.org/pool/updates/main/g/glibc/libc6-dev-ppc64_2.7-18lenny4_powerpc.deb
http://security.debian.org/pool/updates/main/g/glibc/libc6-pic_2.7-18lenny4_powerpc.deb
http://security.debian.org/pool/updates/main/g/glibc/libc6-dbg_2.7-18lenny4_powerpc.deb
http://security.debian.org/pool/updates/main/g/glibc/libc6-udeb_2.7-18lenny4_powerpc.udeb
http://security.debian.org/pool/updates/main/g/glibc/nscd_2.7-18lenny4_powerpc.deb
http://security.debian.org/pool/updates/main/g/glibc/libc6-prof_2.7-18lenny4_powerpc.deb
http://security.debian.org/pool/updates/main/g/glibc/libc6-dev_2.7-18lenny4_powerpc.deb
IBM S/390:
http://security.debian.org/pool/updates/main/g/glibc/libc6-dev-s390x_2.7-18lenny4_s390.deb
http://security.debian.org/pool/updates/main/g/glibc/libc6-dbg_2.7-18lenny4_s390.deb
http://security.debian.org/pool/updates/main/g/glibc/libc6-udeb_2.7-18lenny4_s390.udeb
http://security.debian.org/pool/updates/main/g/glibc/libc6-dev_2.7-18lenny4_s390.deb
http://security.debian.org/pool/updates/main/g/glibc/libnss-dns-udeb_2.7-18lenny4_s390.udeb
http://security.debian.org/pool/updates/main/g/glibc/libnss-files-udeb_2.7-18lenny4_s390.udeb
http://security.debian.org/pool/updates/main/g/glibc/libc6-s390x_2.7-18lenny4_s390.deb
http://security.debian.org/pool/updates/main/g/glibc/libc6_2.7-18lenny4_s390.deb
http://security.debian.org/pool/updates/main/g/glibc/libc6-pic_2.7-18lenny4_s390.deb
http://security.debian.org/pool/updates/main/g/glibc/libc6-prof_2.7-18lenny4_s390.deb
http://security.debian.org/pool/updates/main/g/glibc/locales-all_2.7-18lenny4_s390.deb
http://security.debian.org/pool/updates/main/g/glibc/nscd_2.7-18lenny4_s390.deb
Sun Sparc:
http://security.debian.org/pool/updates/main/g/glibc/libc6-sparc64_2.7-18lenny4_sparc.deb
http://security.debian.org/pool/updates/main/g/glibc/nscd_2.7-18lenny4_sparc.deb
http://security.debian.org/pool/updates/main/g/glibc/libnss-files-udeb_2.7-18lenny4_sparc.udeb
http://security.debian.org/pool/updates/main/g/glibc/libc6-udeb_2.7-18lenny4_sparc.udeb
http://security.debian.org/pool/updates/main/g/glibc/libc6-pic_2.7-18lenny4_sparc.deb
http://security.debian.org/pool/updates/main/g/glibc/libc6-dev_2.7-18lenny4_sparc.deb
http://security.debian.org/pool/updates/main/g/glibc/libc6_2.7-18lenny4_sparc.deb
http://security.debian.org/pool/updates/main/g/glibc/libc6-dev-sparc64_2.7-18lenny4_sparc.deb
http://security.debian.org/pool/updates/main/g/glibc/libc6-dbg_2.7-18lenny4_sparc.deb
http://security.debian.org/pool/updates/main/g/glibc/libnss-dns-udeb_2.7-18lenny4_sparc.udeb
http://security.debian.org/pool/updates/main/g/glibc/libc6-prof_2.7-18lenny4_sparc.deb
http://security.debian.org/pool/updates/main/g/glibc/locales-all_2.7-18lenny4_sparc.deb
http://security.debian.org/pool/updates/main/g/glibc/libc6-sparcv9b_2.7-18lenny4_sparc.deb

MD5 checksums of the listed files are available in the original advisory.