CVE-2014-3640
LOW severity · CVSS 2.1 · CWE-476
2.1CVSS LOW
Summary
The sosendto function in slirp/udp.c in QEMU before 2.1.2 allows local users to cause a denial of service (NULL pointer dereference) by sending a udp packet with a value of 0 in the source port and address, which triggers access of an uninitialized socket.
Impact & exploitability
Attack vectorLocal
Attack complexityLow
Privileges required—
User interaction—
Confidentiality impactNone
Integrity impactNone
Availability impact—
Exploit probability (EPSS)0%
AV:L/AC:L/Au:N/C:N/I:N/A:P
Affected products we track (1)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Official patch: http://lists.nongnu.org/archive/html/qemu-devel/2014-09/msg03543.html ↗
Additional information
- NVD record
- http://lists.nongnu.org/archive/html/qemu-devel/2014-09/msg03543.htmlPatch
- http://lists.nongnu.org/archive/html/qemu-devel/2014-09/msg04598.htmlPatch
- http://lists.nongnu.org/archive/html/qemu-devel/2014-09/msg04707.htmlPatch
- http://rhn.redhat.com/errata/RHSA-2015-0349.htmlAdvisory
- http://rhn.redhat.com/errata/RHSA-2015-0624.htmlAdvisory
- http://www.debian.org/security/2014/dsa-3044
- http://www.debian.org/security/2014/dsa-3045Advisory
- http://www.ubuntu.com/usn/USN-2409-1Advisory