Information disclosure in nfs-utils - CVE-2013-1923
Published: January 21, 2014 / Updated: August 10, 2020
Vulnerability identifier: #VU42120
CSH Severity: Low
CVSS v4: 2.3 [CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2013-1923
CWE-ID: CWE-200
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to read and manipulate data.
rpc-gssd in nfs-utils before 1.2.8 performs reverse DNS resolution for server names during GSSAPI authentication, which might allow remote attackers to read otherwise-restricted files via DNS spoofing attacks.
Affected software
nfs-utils
Gentoo Linux
Gentoo Linux
How to mitigate CVE-2013-1923
Install update from vendor's website.
External References
- http://lists.opensuse.org/opensuse-updates/2013-06/msg00142.html
- http://lists.opensuse.org/opensuse-updates/2013-06/msg00146.html
- http://lists.opensuse.org/opensuse-updates/2013-06/msg00172.html
- http://marc.info/?l=linux-nfs&m=136491998607561&w=2
- http://marc.info/?l=linux-nfs&m=136500502805121&w=2
- http://www.securityfocus.com/bid/58854
- https://bugzilla.redhat.com/show_bug.cgi?id=948072
- https://exchange.xforce.ibmcloud.com/vulnerabilities/85331