CVE-2012-2686

medium
Published 2013-02-08 ยท Modified 2026-04-29
CVSS v3
โ€”
CVSS v4 NEW
โ€”
not yet in upstream
VIR risk
6.0

Description

crypto/evp/e_aes_cbc_hmac_sha1.c in the AES-NI functionality in the TLS 1.1 and 1.2 implementations in OpenSSL 1.0.1 before 1.0.1d allows remote attackers to cause a denial of service (application crash) via crafted CBC data.

Predictions

Exploit likelihood
20%
Patch ETA
โ€”

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 โ€” if you've already worked around this in production โ€” publish your fix to the community-verified tier.

โœš Propose a mitigation on Community โ†’ Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

Exploits

Public proof-of-concept code below. AS-IS, for defenders and authorised testing only.

Metasploit modules

OpenSSL TLS 1.1 and 1.2 AES-NI DoS
Source fetch failed: fetch_error โ€” view the original via the link above.

OS impact

OSVersionStatusFixed in
debian debianbookwormfixed1.0.1e-1
debian debianbullseyefixed1.0.1e-1
debian debianforkyfixed1.0.1e-1
debian debiansidfixed1.0.1e-1
debian debiantrixiefixed1.0.1e-1

Application impact

VendorProductVersionsFixed
openssl opensslopenssl1.0.1
openssl opensslopenssl1.0.1a
openssl opensslopenssl1.0.1b
openssl opensslopenssl1.0.1c

References

CWEs

CWE-310

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.