CVE-2015-0291
medium
CVSS v3
—
CVSS v4 NEW
—
VIR risk
5.0
Description
The sigalgs implementation in t1_lib.c in OpenSSL 1.0.2 before 1.0.2a allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) by using an invalid signature_algorithms extension in the ClientHello message during a renegotiation.
Predictions
Exploit likelihood
20%
Patch ETA
—
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 | 0 |
| debian | bullseye | fixed | 0 |
| debian | forky | fixed | 0 |
| debian | sid | fixed | 0 |
| debian | trixie | fixed | 0 |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| openssl | openssl | 1.0.2 | |
References
- http://marc.info/?l=bugtraq&m=143748090628601&w=2
- http://marc.info/?l=bugtraq&m=144050155601375&w=2
- http://marc.info/?l=bugtraq&m=144050297101809&w=2
- http://www.fortiguard.com/advisory/2015-03-24-openssl-vulnerabilities-march-2015
- http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html
- http://www.oracle.com/technetwork/topics/security/bulletinapr2015-2511959.html
- http://www.oracle.com/technetwork/topics/security/cpujan2016-2367955.html
- http://www.oracle.com/technetwork/topics/security/cpujul2015-2367936.html
- http://www.oracle.com/technetwork/topics/security/cpuoct2015-2367953.html
- http://www.securityfocus.com/bid/73235
- http://www.securitytracker.com/id/1031929
- https://bto.bluecoat.com/security-advisory/sa92
- https://bugzilla.redhat.com/show_bug.cgi?id=1202338
- https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf
- https://git.openssl.org/?p=openssl.git%3Ba=commit%3Bh=76343947ada960b6269090638f5391068daee88d
- https://kc.mcafee.com/corporate/index?page=content&id=SB10110
- https://security.gentoo.org/glsa/201503-11
- https://www.openssl.org/news/secadv_20150319.txt
- https://security-tracker.debian.org/tracker/CVE-2015-0291
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.