Resource management error in libtirpc - CVE-2013-1950
Published: July 9, 2013 / Updated: August 4, 2020
Vulnerability identifier: #VU33685
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2013-1950
CWE-ID: CWE-399
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to perform service disruption.
The svc_dg_getargs function in libtirpc 0.2.3 and earlier allows remote attackers to cause a denial of service (rpcbind crash) via a Sun RPC request with crafted arguments that trigger a free of an invalid pointer.
Affected software
libtirpc
Amazon Linux AMI
libtirpc (Alpine package)
Amazon Linux AMI
libtirpc (Alpine package)
How to mitigate CVE-2013-1950
Install update from vendor's website.
libtirpc (Alpine package) - update to 0.2.3-r1