GLSA-200710-01 : RPCSEC_GSS library: Buffer overflow
critical Nessus Plugin ID 26941
Synopsis
The remote Gentoo host is missing one or more security-related patches.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.
Solution
All librpcsecgss users should upgrade to the latest version:# emerge --sync # emerge --ask --oneshot --verbose '>=net-libs/librpcsecgss-0.16'
See Also
https://security.gentoo.org/glsa/200709-01
Plugin Details
Severity: Critical
ID: 26941
File Name: gentoo_GLSA-200710-01.nasl
Version: 1.24
Type: local
Family: Gentoo Local Security Checks
Published: 10/9/2007
Updated: 1/6/2021
Risk Information
VPR
Risk Factor: Medium
Score: 5.9
CVSS v2
Risk Factor: Critical
Base Score: 10
Temporal Score: 7.4
Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C
Temporal Vector: E:U/RL:OF/RC:C
Vulnerability Information
CPE: p-cpe:/a:gentoo:linux:librpcsecgss, cpe:/o:gentoo:linux
Required KB Items: Host/local_checks_enabled, Host/Gentoo/release, Host/Gentoo/qpkg-list
Exploit Ease: No known exploits are available
Patch Publication Date: 10/4/2007
Reference Information
CVE: CVE-2007-3999