Debian Security Advisory

DLA-1565-1 glusterfs -- LTS security update

Date Reported:
05 Nov 2018
Affected Packages:
glusterfs
Vulnerable:
Yes
Security database references:
In Mitre's CVE dictionary: CVE-2018-14651, CVE-2018-14652, CVE-2018-14653, CVE-2018-14659, CVE-2018-14661.
More information:

Multiple security vulnerabilities were discovered in GlusterFS, a clustered file system. Buffer overflows and path traversal issues may lead to information disclosure, denial-of-service or the execution of arbitrary code.

  • CVE-2018-14651

    It was found that the fix for CVE-2018-10927, CVE-2018-10928, CVE-2018-10929, CVE-2018-10930, and CVE-2018-10926 was incomplete. A remote, authenticated attacker could use one of these flaws to execute arbitrary code, create arbitrary files, or cause denial of service on glusterfs server nodes via symlinks to relative paths.

  • CVE-2018-14652

    The Gluster file system is vulnerable to a buffer overflow in the 'features/index' translator via the code handling the GF_XATTR_CLRLK_CMD xattr in the pl_getxattr function. A remote authenticated attacker could exploit this on a mounted volume to cause a denial of service.

  • CVE-2018-14653

    The Gluster file system is vulnerable to a heap-based buffer overflow in the __server_getspec function via the gf_getspec_req RPC message. A remote authenticated attacker could exploit this to cause a denial of service or other potential unspecified impact.

  • CVE-2018-14659

    The Gluster file system is vulnerable to a denial of service attack via use of the GF_XATTR_IOSTATS_DUMP_KEY xattr. A remote, authenticated attacker could exploit this by mounting a Gluster volume and repeatedly calling 'setxattr(2)' to trigger a state dump and create an arbitrary number of files in the server's runtime directory.

  • CVE-2018-14661

    It was found that usage of snprintf function in feature/locks translator of glusterfs server was vulnerable to a format string attack. A remote, authenticated attacker could use this flaw to cause remote denial of service.

For Debian 8 Jessie, these problems have been fixed in version 3.5.2-2+deb8u5.

We recommend that you upgrade your glusterfs packages.

Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: https://wiki.debian.org/LTS