CVE-2014-7815
What it is
The set_pixel_format function in ui/vnc.c in QEMU allows remote attackers to cause a denial of service (crash) via a small bytes_per_pixel value.
At a glance
- Exploitability
- Can be exploited over the network without logging in. Limited direct impact.
- Exploit odds
- 3.7% chance of exploitation in the next 30 days (EPSS).
- Fix
- No patch or advisory is linked yet. Look at mitigations or restrict exposure.
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: 3.7% in the next 30 days (EPSS).
- Severity: 5.0 MEDIUM (CVSS).
- Fix: none linked yet, which raises it.
Details
- Published
- Last modified
- Exploit probability
- 3.7% · EPSS, next 30 days
- Weakness
- CWE-20 · Improper input validation
- Record status
- Modified
Affected
- Qemu ≤ 2.1.3
- Debian Linux 7.0
- Redhat Enterprise Linux Desktop 7.0
- Redhat Enterprise Linux Eus 7.3
- Redhat Enterprise Linux Eus 7.4
- Redhat Enterprise Linux Eus 7.5
- Redhat Enterprise Linux Eus 7.6
- Redhat Enterprise Linux Eus 7.7
Attack profile CVSS 2.0 · 5.0
- Attack vector
- Network
- Complexity
- Low
- Authentication
- None
- Confidentiality
- None
- Integrity
- None
- Availability
- Partial
Raw vector
AV:N/AC:L/Au:N/C:N/I:N/A:P
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-2014-7815.md and follow it. Check whether this project is affected by CVE-2014-7815. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
References
- http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=e6908bfe8e07f2b452e78e677da1b45b1c0f6829
- http://lists.opensuse.org/opensuse-security-announce/2015-10/msg00019.html
- http://rhn.redhat.com/errata/RHSA-2015-0349.html
- http://rhn.redhat.com/errata/RHSA-2015-0624.html
- http://secunia.com/advisories/61484
- http://secunia.com/advisories/62143
- http://secunia.com/advisories/62144
- http://support.citrix.com/article/CTX200892
- http://www.debian.org/security/2014/dsa-3066
- http://www.debian.org/security/2014/dsa-3067
- http://www.ubuntu.com/usn/USN-2409-1
- https://bugzilla.redhat.com/show_bug.cgi?id=1157641
- http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=e6908bfe8e07f2b452e78e677da1b45b1c0f6829
- http://lists.opensuse.org/opensuse-security-announce/2015-10/msg00019.html
- http://rhn.redhat.com/errata/RHSA-2015-0349.html
- http://rhn.redhat.com/errata/RHSA-2015-0624.html
- http://secunia.com/advisories/61484
- http://secunia.com/advisories/62143
- http://secunia.com/advisories/62144
- http://support.citrix.com/article/CTX200892
- http://www.debian.org/security/2014/dsa-3066
- http://www.debian.org/security/2014/dsa-3067
- http://www.ubuntu.com/usn/USN-2409-1
- https://bugzilla.redhat.com/show_bug.cgi?id=1157641