CVE-2013-0176

Severity

43%

Complexity

86%

Confidentiality

48%

The publickey_from_privatekey function in libssh before 0.5.4, when no algorithm is matched during negotiations, allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via a "Client: Diffie-Hellman Key Exchange Init" packet.

The publickey_from_privatekey function in libssh before 0.5.4, when no algorithm is matched during negotiations, allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via a "Client: Diffie-Hellman Key Exchange Init" packet.

CVSS 2.0 Base Score 4.3. CVSS Attack Vector: network. CVSS Attack Complexity: medium. CVSS Vector: (AV:N/AC:M/Au:N/C:N/I:N/A:P).

Overview

Type

Libssh

First reported 12 years ago

2013-02-05 23:55:00

Last updated 7 years ago

2017-08-29 01:32:00

Affected Software

Libssh 0.4.7

0.4.7

Libssh 0.4.8

0.4.8

Libssh 0.5.0

0.5.0

Libssh 0.5.0rc1

0.5.0

Libssh 0.5.1

0.5.1

Libssh 0.5.2

0.5.2

References

FEDORA-2013-1422

FEDORA-2013-1407

51982

Vendor Advisory

http://www.libssh.org/2013/01/22/libssh-0-5-4-security-release/

Patch, Vendor Advisory

USN-1707-1

libssh-publickeyfromprivatekey-dos(81595)

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.