CVE-2015-0291

Severity

50%

Complexity

99%

Confidentiality

48%

CWE-476: NULL Pointer Dereference

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.

CWE-476: NULL Pointer Dereference

CVSS 2.0 Base Score 5. CVSS Attack Vector: network. CVSS Attack Complexity: low. CVSS Vector: (AV:N/AC:L/Au:N/C:N/I:N/A:P).

Overview

Type

OpenSSL 1.0.2

First reported 9 years ago

2015-03-19 22:59:00

Last updated 6 years ago

2018-11-29 14:48:00

Affected Software

OpenSSL Project OpenSSL 1.0.2

1.0.2

OpenSSL Project OpenSSL 1.0.2-beta1

1.0.2

OpenSSL 1.0.2 Beta 2

1.0.2

OpenSSL 1.0.2 Beta 3

1.0.2

References

HPSBMU03380

Mailing List, Third Party Advisory

HPSBMU03409

Mailing List, Third Party Advisory

HPSBMU03397

Mailing List, Third Party Advisory

http://www.fortiguard.com/advisory/2015-03-24-openssl-vulnerabilities-march-2015

Third Party Advisory

http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html

Patch, Third Party Advisory

http://www.oracle.com/technetwork/topics/security/bulletinapr2015-2511959.html

Third Party Advisory

http://www.oracle.com/technetwork/topics/security/cpujan2016-2367955.html

Third Party Advisory

http://www.oracle.com/technetwork/topics/security/cpujul2015-2367936.html

Third Party Advisory

http://www.oracle.com/technetwork/topics/security/cpuoct2015-2367953.html

Third Party Advisory

73235

Third Party Advisory, VDB Entry

1031929

Third Party Advisory, VDB Entry

https://bto.bluecoat.com/security-advisory/sa92

Third Party Advisory

https://bugzilla.redhat.com/show_bug.cgi?id=1202338

Issue Tracking

https://git.openssl.org/?p=openssl.git;a=commit;h=76343947ada960b6269090638f5391068daee88d

Vendor Advisory

https://kc.mcafee.com/corporate/index?page=content&id=SB10110

Third Party Advisory

GLSA-201503-11

Third Party Advisory

https://www.openssl.org/news/secadv_20150319.txt

Vendor Advisory

Stay updated

ExploitPedia is constantly evolving. Sign up to receive a notification when we release additional functionality.

Get in touch

If you'd like to report a bug or have any suggestions for improvements then please do get in touch with us using this form. We will get back to you as soon as we can.