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[SECURITY] [DLA 1565-1] glusterfs security update



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Package        : glusterfs
Version        : 3.5.2-2+deb8u5
CVE ID         : CVE-2018-14651 CVE-2018-14652 CVE-2018-14653
                 CVE-2018-14659 CVE-2018-14661

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
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