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CVE-2018-16948

Published: 12 September 2018

An issue was discovered in OpenAFS before 1.6.23 and 1.8.x before 1.8.2. Several RPC server routines did not fully initialize their output variables before returning, leaking memory contents from both the stack and the heap. Because the OpenAFS cache manager functions as an Rx server for the AFSCB service, clients are also susceptible to information leakage. For example, RXAFSCB_TellMeAboutYourself leaks kernel memory and KAM_ListEntry leaks kaserver memory.

Priority

Medium

CVSS 3 base score: 7.5

Status

Package Release Status
openafs
Launchpad, Ubuntu, Debian
Upstream
Released (1.8.2-1)
Ubuntu 21.10 (Impish Indri) Not vulnerable
(1.8.4~pre1-1ubuntu2)
Ubuntu 21.04 (Hirsute Hippo) Not vulnerable
(1.8.4~pre1-1ubuntu2)
Ubuntu 20.04 LTS (Focal Fossa) Not vulnerable
(1.8.4~pre1-1ubuntu2)
Ubuntu 18.04 LTS (Bionic Beaver) Needed

Ubuntu 16.04 ESM (Xenial Xerus) Ignored
(end of standard support, was needed)
Ubuntu 14.04 ESM (Trusty Tahr) Does not exist
(trusty was needs-triage)