GLSA-200710-01 : RPCSEC_GSS library: Buffer overflow

This script is Copyright (C) 2007-2017 Tenable Network Security, Inc.

Synopsis :

The remote Gentoo host is missing one or more security-related

Description :

The remote host is affected by the vulnerability described in GLSA-200710-01
(RPCSEC_GSS library: Buffer overflow)

A stack based buffer overflow has been discovered in the
svcauth_gss_validate() function in file lib/rpc/svc_auth_gss.c when
processing an overly long string in a RPC message.

Impact :

A remote attacker could send a specially crafted RPC request to an
application relying on this library, e.g NFSv4 or Kerberos
(GLSA-200709-01), resulting in the execution of arbitrary code with the
privileges of the user running the application.

Workaround :

There is no known workaround at this time.

See also :


Solution :

All librpcsecgss users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose '>=net-libs/librpcsecgss-0.16'

Risk factor :

Critical / CVSS Base Score : 10.0
CVSS Temporal Score : 8.3
Public Exploit Available : true

Family: Gentoo Local Security Checks

Nessus Plugin ID: 26941 (gentoo_GLSA-200710-01.nasl)

Bugtraq ID:

CVE ID: CVE-2007-3999

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