SB2015110605 - Information disclosure in OpenAFS

Description

This security bulletin contains information about 1 vulnerability.

1) Information disclosure (CVE-ID: CVE-2015-7762)

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green

The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.

rx/rx.c in OpenAFS before 1.6.15 and 1.7.x before 1.7.33 does not properly initialize the padding of a data structure when constructing an Rx acknowledgement (ACK) packet, which allows remote attackers to obtain sensitive information by (1) conducting a replay attack or (2) sniffing the network.

Remediation

Install update from vendor's website.

References

• http://www.debian.org/security/2015/dsa-3387
• http://www.securitytracker.com/id/1034039
• https://lists.openafs.org/pipermail/openafs-announce/2015/000493.html
• https://www.openafs.org/dl/openafs/1.6.15/RELNOTES-1.6.15
• https://www.openafs.org/pages/security/OPENAFS-SA-2015-007.txt