CVE-2016-2522
Description
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.
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| debian | bookworm | fixed | 2.0.2+ga16e22e-1 |
| debian | bullseye | fixed | 2.0.2+ga16e22e-1 |
| debian | forky | fixed | 2.0.2+ga16e22e-1 |
| debian | sid | fixed | 2.0.2+ga16e22e-1 |
| debian | trixie | fixed | 2.0.2+ga16e22e-1 |
References
- http://www.securitytracker.com/id/1035118
- http://www.wireshark.org/security/wnpa-sec-2016-02.html
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=11828
- https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=9b2f3f7c5c9205381cb72e42b66e97d8ed3abf63
- https://security.gentoo.org/glsa/201604-05
- https://security-tracker.debian.org/tracker/CVE-2016-2522
CWEs
CWE-119
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.