CVE-2012-3515
What it is
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."
At a glance
- Exploitability
- Can be exploited locally on the machine without logging in. High risk of data exposure, data tampering, service disruption.
- Exploit odds
- 0.5% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 0.5% in the next 30 days (EPSS).
- Severity: 7.2 HIGH (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 0.5% · EPSS, next 30 days
- Weakness
- CWE-20 · Improper input validation
- Record status
- Modified
Affected
- Qemu < 1.2.0
- Xen 4.0.0
- Xen 4.1.0
- Opensuse 11.4
- Opensuse 12.1
- Opensuse 12.2
- Suse Linux Enterprise Desktop 10
- Suse Linux Enterprise Desktop 11
Attack profile CVSS 2.0 · 7.2
- Attack vector
- Local
- Complexity
- Low
- Authentication
- None
- Confidentiality
- Complete
- Integrity
- Complete
- Availability
- Complete
Raw vector
AV:L/AC:L/Au:N/C:C/I:C/A:C
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2012-3515.md and follow it. Check whether this project is affected by CVE-2012-3515. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- http://lists.xen.org/archives/html/xen-announce/2012-09/msg00003.html
- http://wiki.xen.org/wiki/Security_Announcements#XSA-17_Qemu_VT100_emulation_vulnerability
- http://www.openwall.com/lists/oss-security/2012/09/05/10
- http://lists.xen.org/archives/html/xen-announce/2012-09/msg00003.html
- http://wiki.xen.org/wiki/Security_Announcements#XSA-17_Qemu_VT100_emulation_vulnerability
- http://www.openwall.com/lists/oss-security/2012/09/05/10
References
- http://git.qemu.org/?p=qemu-stable-0.15.git%3Ba=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