Debian Security Advisory

DSA-1362-2 lighttpd -- several vulnerabilities

Date Reported:
29 Aug 2007
Affected Packages:
lighttpd
Vulnerable:
Yes
Security database references:
In the Debian bugtracking system: Bug 434888.
In Mitre's CVE dictionary: CVE-2007-3946, CVE-2007-3947, CVE-2007-3949, CVE-2007-3950, CVE-2007-4727.
More information:

Several vulnerabilities were discovered in lighttpd, a fast webserver with minimal memory footprint, which could allow the execution of arbitrary code via the overflow of CGI variables when mod_fcgi was enabled. The Common Vulnerabilities and Exposures project identifies the following problems:

  • CVE-2007-3946

    The use of mod_auth could leave to a denial of service attack crashing the webserver.

  • CVE-2007-3947

    The improper handling of repeated HTTP headers could cause a denial of service attack crashing the webserver.

  • CVE-2007-3949

    A bug in mod_access potentially allows remote users to bypass access restrictions via trailing slash characters.

  • CVE-2007-3950

    On 32-bit platforms users may be able to create denial of service attacks, crashing the webserver, via mod_webdav, mod_fastcgi, or mod_scgi.

For the stable distribution (etch), these problems have been fixed in version 1.4.13-4etch4.

For the unstable distribution (sid), these problems have been fixed in version 1.4.16-1.

We recommend that you upgrade your lighttpd package.

Fixed in:

Debian GNU/Linux 4.0 (etch)

Source:
http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd_1.4.13.orig.tar.gz
http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd_1.4.13-4etch4.dsc
http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd_1.4.13-4etch4.diff.gz
Architecture-independent component:
http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-doc_1.4.13-4etch4_all.deb
alpha architecture (DEC Alpha)
http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-webdav_1.4.13-4etch4_alpha.deb
http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-cml_1.4.13-4etch4_alpha.deb
http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd_1.4.13-4etch4_alpha.deb
http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-mysql-vhost_1.4.13-4etch4_alpha.deb
http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-trigger-b4-dl_1.4.13-4etch4_alpha.deb
http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-magnet_1.4.13-4etch4_alpha.deb
amd64 architecture (AMD x86_64 (AMD64))
http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-trigger-b4-dl_1.4.13-4etch4_amd64.deb
http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-magnet_1.4.13-4etch4_amd64.deb
http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-mysql-vhost_1.4.13-4etch4_amd64.deb
http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-cml_1.4.13-4etch4_amd64.deb
http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd_1.4.13-4etch4_amd64.deb
http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-webdav_1.4.13-4etch4_amd64.deb
arm architecture (ARM)
http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-cml_1.4.13-4etch4_arm.deb
http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-magnet_1.4.13-4etch4_arm.deb
http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-mysql-vhost_1.4.13-4etch4_arm.deb
http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-trigger-b4-dl_1.4.13-4etch4_arm.deb
http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-webdav_1.4.13-4etch4_arm.deb
http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd_1.4.13-4etch4_arm.deb
hppa architecture (HP PA RISC)
http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-webdav_1.4.13-4etch4_hppa.deb
http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-mysql-vhost_1.4.13-4etch4_hppa.deb
http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-cml_1.4.13-4etch4_hppa.deb
http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd_1.4.13-4etch4_hppa.deb
http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-trigger-b4-dl_1.4.13-4etch4_hppa.deb
http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-magnet_1.4.13-4etch4_hppa.deb
i386 architecture (Intel ia32)
http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-trigger-b4-dl_1.4.13-4etch4_i386.deb
http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd_1.4.13-4etch4_i386.deb
http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-mysql-vhost_1.4.13-4etch4_i386.deb
http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-webdav_1.4.13-4etch4_i386.deb
http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-magnet_1.4.13-4etch4_i386.deb
http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-cml_1.4.13-4etch4_i386.deb
ia64 architecture (Intel ia64)
http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-mysql-vhost_1.4.13-4etch4_ia64.deb
http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-magnet_1.4.13-4etch4_ia64.deb
http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-cml_1.4.13-4etch4_ia64.deb
http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd_1.4.13-4etch4_ia64.deb
http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-trigger-b4-dl_1.4.13-4etch4_ia64.deb
http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-webdav_1.4.13-4etch4_ia64.deb
mips architecture (MIPS (Big Endian))
http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-mysql-vhost_1.4.13-4etch4_mips.deb
http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-cml_1.4.13-4etch4_mips.deb
http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-magnet_1.4.13-4etch4_mips.deb
http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-webdav_1.4.13-4etch4_mips.deb
http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-trigger-b4-dl_1.4.13-4etch4_mips.deb
http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd_1.4.13-4etch4_mips.deb
powerpc architecture (PowerPC)
http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-mysql-vhost_1.4.13-4etch4_powerpc.deb
http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-trigger-b4-dl_1.4.13-4etch4_powerpc.deb
http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-webdav_1.4.13-4etch4_powerpc.deb
http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-magnet_1.4.13-4etch4_powerpc.deb
http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd_1.4.13-4etch4_powerpc.deb
http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-cml_1.4.13-4etch4_powerpc.deb
sparc architecture (Sun SPARC/UltraSPARC)
http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-trigger-b4-dl_1.4.13-4etch4_sparc.deb
http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-magnet_1.4.13-4etch4_sparc.deb
http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-webdav_1.4.13-4etch4_sparc.deb
http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-mysql-vhost_1.4.13-4etch4_sparc.deb
http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-cml_1.4.13-4etch4_sparc.deb
http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd_1.4.13-4etch4_sparc.deb

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