National Vulnerability Database

National Vulnerability Database

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    Vulnerabilities Detail

CVE-2015-0291 Detail

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.

Source:  MITRE      Last Modified:  03/19/2015

Evaluator Description

CWE-476: NULL Pointer Dereference

Quick Info

CVE Dictionary Entry:
CVE-2015-0291
Original release date:
03/19/2015
Last revised:
10/19/2017
Source:
US-CERT/NIST

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score:
5.0 MEDIUM
Vector:
(AV:N/AC:L/Au:N/C:N/I:N/A:P) (legend)
Impact Subscore:
2.9
Exploitability Subscore:
10.0
CVSS Version 2 Metrics:
Access Vector:
Network exploitable
Access Complexity:
Low
Authentication:
Not required to exploit
Impact Type:
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource Type Source Name
http://marc.info/?l=bugtraq&m=143748090628601&w=2 External Source HP HPSBMU03380
http://marc.info/?l=bugtraq&m=144050155601375&w=2 External Source HP HPSBMU03409
http://marc.info/?l=bugtraq&m=144050297101809&w=2 External Source HP HPSBMU03397
http://www.fortiguard.com/advisory/2015-03-24-openssl-vulnerabilities-march-2015 External Source CONFIRM http://www.fortiguard.com/advisory/2015-03-24-openssl-vulnerabilities-march-2015
http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html External Source CONFIRM http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html
http://www.oracle.com/technetwork/topics/security/bulletinapr2015-2511959.html External Source CONFIRM http://www.oracle.com/technetwork/topics/security/bulletinapr2015-2511959.html
http://www.oracle.com/technetwork/topics/security/cpujan2016-2367955.html External Source CONFIRM http://www.oracle.com/technetwork/topics/security/cpujan2016-2367955.html
http://www.oracle.com/technetwork/topics/security/cpujul2015-2367936.html External Source CONFIRM http://www.oracle.com/technetwork/topics/security/cpujul2015-2367936.html
http://www.oracle.com/technetwork/topics/security/cpuoct2015-2367953.html External Source CONFIRM http://www.oracle.com/technetwork/topics/security/cpuoct2015-2367953.html
http://www.securityfocus.com/bid/73235 External Source BID 73235
http://www.securitytracker.com/id/1031929 External Source SECTRACK 1031929
https://bto.bluecoat.com/security-advisory/sa92 External Source CONFIRM https://bto.bluecoat.com/security-advisory/sa92
https://bugzilla.redhat.com/show_bug.cgi?id=1202338 External Source CONFIRM https://bugzilla.redhat.com/show_bug.cgi?id=1202338
https://git.openssl.org/?p=openssl.git;a=commit;h=76343947ada960b6269090638f5391068daee88d Vendor Advisory External Source CONFIRM https://git.openssl.org/?p=openssl.git;a=commit;h=76343947ada960b6269090638f5391068daee88d
https://kc.mcafee.com/corporate/index?page=content&id=SB10110 External Source CONFIRM https://kc.mcafee.com/corporate/index?page=content&id=SB10110
https://security.gentoo.org/glsa/201503-11 External Source GENTOO GLSA-201503-11
https://www.openssl.org/news/secadv_20150319.txt External Source CONFIRM https://www.openssl.org/news/secadv_20150319.txt

Technical Details

Vulnerability Type (View All)

Change History 13 change records found - show changes