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Debian Security Advisory 4302-1

Debian Security Advisory 4302-1
Posted Sep 24, 2018
Authored by Debian | Site debian.org

Debian Linux Security Advisory 4302-1 - Several vulnerabilities were discovered in openafs, an implementation of the distributed filesystem AFS.

tags | advisory, vulnerability
systems | linux, debian
advisories | CVE-2018-16947, CVE-2018-16948, CVE-2018-16949
SHA-256 | 711bf90de0d69c34747c796281d9850ec5191ea93f2af5f8ed1efa8de3e79504

Debian Security Advisory 4302-1

Change Mirror Download
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- -------------------------------------------------------------------------
Debian Security Advisory DSA-4302-1 security@debian.org
https://www.debian.org/security/ Salvatore Bonaccorso
September 23, 2018 https://www.debian.org/security/faq
- -------------------------------------------------------------------------

Package : openafs
CVE ID : CVE-2018-16947 CVE-2018-16948 CVE-2018-16949
Debian Bug : 908616

Several vulnerabilities were discovered in openafs, an implementation of
the distributed filesystem AFS. The Common Vulnerabilities and Exposures
project identifies the following problems:

CVE-2018-16947

Jeffrey Altman reported that the backup tape controller (butc)
process does accept incoming RPCs but does not require (or allow
for) authentication of those RPCs, allowing an unauthenticated
attacker to perform volume operations with administrator
credentials.

https://openafs.org/pages/security/OPENAFS-SA-2018-001.txt

CVE-2018-16948

Mark Vitale reported that several RPC server routines do not fully
initialize output variables, leaking memory contents (from both
the stack and the heap) to the remote caller for
otherwise-successful RPCs.

https://openafs.org/pages/security/OPENAFS-SA-2018-002.txt

CVE-2018-16949

Mark Vitale reported that an unauthenticated attacker can consume
large amounts of server memory and network bandwidth via
specially crafted requests, resulting in denial of service to
legitimate clients.

https://openafs.org/pages/security/OPENAFS-SA-2018-003.txt

For the stable distribution (stretch), these problems have been fixed in
version 1.6.20-2+deb9u2.

We recommend that you upgrade your openafs packages.

For the detailed security status of openafs please refer to its security
tracker page at:
https://security-tracker.debian.org/tracker/openafs

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

Mailing list: debian-security-announce@lists.debian.org
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