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Status published
Medium
CVE-2015-0291
The sigalgs implementation in t1_lib.c in OpenSSL 1.0.2 before 1.0.2a...
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- https://kc.mcafee.com/corporate/index?page=content&id=SB10110
- http://www.securityfocus.com/bid/73235
- http://www.oracle.com/technetwork/topics/security/cpujul2015-2367936.html
- http://marc.info/?l=bugtraq&m=144050155601375&w=2
- https://bto.bluecoat.com/security-advisory/sa92
- https://www.openssl.org/news/secadv_20150319.txt
- http://www.oracle.com/technetwork/topics/security/cpuoct2015-2367953.html
- https://git.openssl.org/?p=openssl.git%3Ba=commit%3Bh=76343947ada960b6269090638f5391068daee88d
- http://marc.info/?l=bugtraq&m=143748090628601&w=2
- http://www.oracle.com/technetwork/topics/security/cpujan2016-2367955.html
- http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html
- http://www.fortiguard.com/advisory/2015-03-24-openssl-vulnerabilities-march-2015
- http://www.oracle.com/technetwork/topics/security/bulletinapr2015-2511959.html
- http://marc.info/?l=bugtraq&m=144050297101809&w=2
- http://www.securitytracker.com/id/1031929
- https://security.gentoo.org/glsa/201503-11
- https://bugzilla.redhat.com/show_bug.cgi?id=1202338
- https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf
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Affected Vendor
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View all reports →Affected Software
openssl
Vulnerable Versions:
1.0.2
Timeline
Official Publish:
March 19th, 2015
Last Modified:
August 6th, 2024
Added to House:
July 19th, 2026
CVSS Vectors
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.