Use-after-free in Xen - CVE-2014-1642
Published: January 26, 2014 / Updated: August 10, 2020
Vulnerability identifier: #VU42104
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2014-1642
CWE-ID: CWE-416
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Xen Project
Affected software:
Xen
Xen
Detailed vulnerability description
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error when processing vectors related to an out-of-memory error that triggers a (1) use-after-free or (2) double free. A local guest administrators can cause a denial of service (memory corruption and hypervisor crash) and possibly execute arbitrary code.
Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.
How to mitigate CVE-2014-1642
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.
Sources
- http://lists.fedoraproject.org/pipermail/package-announce/2014-February/127580.html
- http://lists.fedoraproject.org/pipermail/package-announce/2014-February/127607.html
- http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00011.html
- http://osvdb.org/102406
- http://secunia.com/advisories/56557
- http://security.gentoo.org/glsa/glsa-201407-03.xml
- http://www.openwall.com/lists/oss-security/2014/01/23/4
- http://www.securityfocus.com/bid/65097
- http://www.securitytracker.com/id/1029679
- http://xenbits.xen.org/xsa/advisory-83.html
- https://exchange.xforce.ibmcloud.com/vulnerabilities/90649