Input validation error in Xen - CVE-2012-3515
Published: November 23, 2012 / Updated: July 28, 2020
Vulnerability identifier: #VU32745
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2012-3515
CWE-ID: CWE-20
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Xen Project
Affected software:
Xen
Xen
Detailed vulnerability description
The vulnerability allows a local non-authenticated attacker to execute arbitrary code.
Qemu, as used in Xen 4.0, 4.1 and possibly other products, when emulating certain devices with a virtual console backend, allows local OS guest users to gain privileges via a crafted escape VT100 sequence that triggers the overwrite of a "device model's address space."
How to mitigate CVE-2012-3515
Install update from vendor's website.
Sources
- http://git.qemu.org/?p=qemu-stable-0.15.git;a=log
- http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00001.html
- http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00003.html
- http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00004.html
- http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00005.html
- http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00012.html
- http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00016.html
- http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00017.html
- http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00018.html
- http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00024.html
- http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00026.html
- http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00027.html
- http://lists.opensuse.org/opensuse-security-announce/2012-10/msg00002.html
- http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00017.html
- http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00018.html
- http://lists.opensuse.org/opensuse-updates/2012-09/msg00051.html
- http://lists.xen.org/archives/html/xen-announce/2012-09/msg00003.html
- http://rhn.redhat.com/errata/RHSA-2012-1233.html
- http://rhn.redhat.com/errata/RHSA-2012-1234.html
- http://rhn.redhat.com/errata/RHSA-2012-1235.html
- http://rhn.redhat.com/errata/RHSA-2012-1236.html
- http://rhn.redhat.com/errata/RHSA-2012-1262.html
- http://rhn.redhat.com/errata/RHSA-2012-1325.html
- http://secunia.com/advisories/50472
- http://secunia.com/advisories/50528
- http://secunia.com/advisories/50530
- http://secunia.com/advisories/50632
- http://secunia.com/advisories/50689
- http://secunia.com/advisories/50860
- http://secunia.com/advisories/50913
- http://secunia.com/advisories/51413
- http://secunia.com/advisories/55082
- http://security.gentoo.org/glsa/glsa-201309-24.xml
- http://support.citrix.com/article/CTX134708
- http://wiki.xen.org/wiki/Security_Announcements#XSA-17_Qemu_VT100_emulation_vulnerability
- http://www.debian.org/security/2012/dsa-2543
- http://www.debian.org/security/2012/dsa-2545
- http://www.openwall.com/lists/oss-security/2012/09/05/10
- http://www.securityfocus.com/bid/55413
- http://www.ubuntu.com/usn/USN-1590-1
- https://security.gentoo.org/glsa/201604-03