NULL pointer dereference in QEMU - CVE-2014-0146
Published: August 10, 2017 / Updated: August 8, 2020
Vulnerability identifier: #VU38475
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2014-0146
CWE-ID: CWE-476
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: QEMU
Affected software:
QEMU
QEMU
Detailed vulnerability description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dereference error. A remote attacker can trigger denial of service conditions via a crafted image which causes an error, related to the initialization of the snapshot_offset and nb_snapshots fields.
How to mitigate CVE-2014-0146
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.
Sources
- http://git.qemu.org/?p=qemu.git;a=commit;h=11b128f4062dd7f89b14abc8877ff20d41b28be9
- http://rhn.redhat.com/errata/RHSA-2014-0420.html
- http://rhn.redhat.com/errata/RHSA-2014-0421.html
- http://www.debian.org/security/2014/dsa-3044
- http://www.openwall.com/lists/oss-security/2014/03/26/8
- https://bugzilla.redhat.com/show_bug.cgi?id=1078232