CVE-2016-2522
MEDIUM severity · CVSS 5.9 · Memory corruption
5.9CVSS MEDIUM
Summary
The dissect_ber_constrained_bitstring function in epan/dissectors/packet-ber.c in the ASN.1 BER dissector in Wireshark 2.0.x before 2.0.2 does not verify that a certain length is nonzero, which allows remote attackers to cause a denial of service (out-of-bounds read and application crash) via a crafted packet.
Impact & exploitability
Attack vectorNetwork
Attack complexityHigh
Privileges requiredNone
User interactionNone
Confidentiality impactNone
Integrity impactNone
Availability impactHigh
Exploit probability (EPSS)2%
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
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.
Additional information
- NVD record
- http://www.wireshark.org/security/wnpa-sec-2016-02.htmlAdvisory
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=11828Advisory
- http://www.securitytracker.com/id/1035118
- https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=9b2f3f7c5c9205381cb72e42b66e97d8ed3abf63
- https://security.gentoo.org/glsa/201604-05