CVE-2013-4935
MEDIUM severity · CVSS 4.3 · CWE-189
4.3CVSS MEDIUM
Summary
The dissect_per_length_determinant function in epan/dissectors/packet-per.c in the ASN.1 PER dissector in Wireshark 1.8.x before 1.8.9 and 1.10.x before 1.10.1 does not initialize a length field in certain abnormal situations, which allows remote attackers to cause a denial of service (application crash) via a crafted packet.
Impact & exploitability
Attack vectorNetwork
Attack complexity—
Privileges required—
User interaction—
Confidentiality impactNone
Integrity impactNone
Availability impact—
Exploit probability (EPSS)3%
AV:N/AC:M/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://anonsvn.wireshark.org/viewvc/trunk/epan/dissectors/packet-per.c?r1=49985&r2=49984&pathrev=49985 ↗
Additional information
- NVD record
- http://anonsvn.wireshark.org/viewvc/trunk/epan/dissectors/packet-per.c?r1=49985&r2=49984&pathrev=49985Patch
- http://anonsvn.wireshark.org/viewvc?view=revision&revision=49985Patch
- http://lists.opensuse.org/opensuse-updates/2013-08/msg00004.html
- http://lists.opensuse.org/opensuse-updates/2013-08/msg00009.html
- http://rhn.redhat.com/errata/RHSA-2014-0341.html
- http://secunia.com/advisories/54178
- http://secunia.com/advisories/54296
- http://secunia.com/advisories/54371