Input validation error in QEMU - CVE-2014-2894
Published: April 23, 2014 / Updated: August 10, 2020
Vulnerability identifier: #VU41757
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2014-2894
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: QEMU
Affected software:
QEMU
QEMU
Detailed vulnerability description
The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.
Off-by-one error in the cmd_smart function in the smart self test in hw/ide/core.c in QEMU before 2.0 allows local users to have unspecified impact via a SMART EXECUTE OFFLINE command that triggers a buffer underflow and memory corruption.
How to mitigate CVE-2014-2894
Install update from vendor's website.
Sources
- http://rhn.redhat.com/errata/RHSA-2014-0704.html
- http://rhn.redhat.com/errata/RHSA-2014-0743.html
- http://rhn.redhat.com/errata/RHSA-2014-0744.html
- http://secunia.com/advisories/57945
- http://secunia.com/advisories/58191
- http://www.openwall.com/lists/oss-security/2014/04/15/4
- http://www.openwall.com/lists/oss-security/2014/04/18/5
- http://www.securityfocus.com/bid/66932
- http://www.ubuntu.com/usn/USN-2182-1
- https://lists.nongnu.org/archive/html/qemu-devel/2014-04/msg02016.html
- https://lists.nongnu.org/archive/html/qemu-devel/2014-04/msg02095.html
- https://lists.nongnu.org/archive/html/qemu-devel/2014-04/msg02152.html