Upstream information

CVE-2013-0176 at MITRE

Description

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.

SUSE information

Overall state of this security issue: Resolved

This issue is currently rated as having moderate severity.

CVSS v2 Scores
  National Vulnerability Database SUSE
Base Score 4.3 4.3
Vector AV:N/AC:M/Au:N/C:N/I:N/A:P AV:N/AC:M/Au:N/C:N/I:N/A:P
Access Vector Network Network
Access Complexity Medium Medium
Authentication None None
Confidentiality Impact None None
Integrity Impact None None
Availability Impact Partial Partial
SUSE Bugzilla entries: 802631 [RESOLVED / INVALID], 928323 [RESOLVED / FIXED]

No SUSE Security Announcements cross referenced.

List of released packages

Product(s) Fixed package version(s) References
SUSE Linux Enterprise Desktop 12 SP1
SUSE Linux Enterprise Workstation Extension 12 SP1
  • libssh4 >= 0.6.3-8.1
SUSE Linux Enterprise Desktop 12 SP2
SUSE Linux Enterprise Desktop 12 SP3
SUSE Linux Enterprise Workstation Extension 12 SP2
SUSE Linux Enterprise Workstation Extension 12 SP3
  • libssh4 >= 0.6.3-11.1
SUSE Linux Enterprise Desktop 12 SP4
SUSE Linux Enterprise Server 12 SP4
  • libssh4 >= 0.6.3-12.6.1
  • libssh4-32bit >= 0.6.3-12.6.1
SUSE Linux Enterprise Desktop 12
SUSE Linux Enterprise Workstation Extension 12
  • libssh4 >= 0.6.3-1.4
SUSE Linux Enterprise High Performance Computing 12 SP5
SUSE Linux Enterprise Server 12 SP5
  • libssh4 >= 0.8.7-1.31
  • libssh4-32bit >= 0.8.7-1.31
SUSE Linux Enterprise Module for Basesystem 15
  • libssh-devel >= 0.7.5-4.16
  • libssh4 >= 0.7.5-4.16
  • libssh4-32bit >= 0.7.5-4.16
SUSE Linux Enterprise Software Development Kit 12 SP1
  • libssh-devel >= 0.6.3-8.1
  • libssh-devel-doc >= 0.6.3-8.1
  • libssh4 >= 0.6.3-8.1
SUSE Linux Enterprise Software Development Kit 12 SP2
SUSE Linux Enterprise Software Development Kit 12 SP3
  • libssh-devel >= 0.6.3-11.1
  • libssh-devel-doc >= 0.6.3-11.1
  • libssh4 >= 0.6.3-11.1
SUSE Linux Enterprise Software Development Kit 12 SP4
  • libssh-devel >= 0.6.3-12.6.1
  • libssh-devel-doc >= 0.6.3-12.6.1
  • libssh4 >= 0.6.3-12.6.1
SUSE Linux Enterprise Software Development Kit 12 SP5
  • libssh-devel >= 0.8.7-1.31
  • libssh-devel-doc >= 0.6.3-12.6.1
  • libssh4 >= 0.8.7-1.31
SUSE Linux Enterprise Software Development Kit 12
  • libssh-devel >= 0.6.3-1.4
  • libssh-devel-doc >= 0.6.3-1.4
  • libssh4 >= 0.6.3-1.4
openSUSE Leap 15.0
  • libssh4 >= 0.7.5-lp150.4.1
  • libssh4-32bit >= 0.7.5-lp150.4.1
Patchnames:
openSUSE Leap 15.0 GA libssh4
openSUSE Leap 42.1
  • libssh-devel >= 0.6.3-8.1
  • libssh4 >= 0.6.3-8.1
Patchnames:
openSUSE Leap 42.1 GA libssh-devel
openSUSE Leap 42.2
  • libssh-devel >= 0.6.3-11.5
  • libssh4 >= 0.6.3-11.5
Patchnames:
openSUSE Leap 42.2 GA libssh-devel
openSUSE Leap 42.3
  • libssh-devel >= 0.6.3-13.3
  • libssh4 >= 0.6.3-13.3
Patchnames:
openSUSE Leap 42.3 GA libssh-devel
openSUSE Tumbleweed
  • libssh-devel >= 0.7.2-2.1
  • libssh-devel-doc >= 0.7.2-2.1
  • libssh4 >= 0.7.2-2.1
  • libssh4-32bit >= 0.7.2-2.1
Patchnames:
openSUSE Tumbleweed GA libssh-devel


Status of this issue by product and package

Please note that this evaluation state might be work in progress, incomplete or outdated. Also information for service packs in the LTSS phase is only included for issues meeting the LTSS criteria. If in doubt, feel free to contact us for clarification.

Product(s) Source package State
SUSE Linux Enterprise Desktop 11 SP3 libssh Unsupported
SUSE Linux Enterprise Desktop 12 SP2 libssh Unsupported
SUSE Linux Enterprise Desktop 12 SP3 libssh Already fixed
SUSE Linux Enterprise Software Development Kit 11 SP3 libssh Unsupported
SUSE Linux Enterprise Software Development Kit 11 SP4 libssh Unsupported
SUSE Linux Enterprise Software Development Kit 12 libssh Already fixed
SUSE Linux Enterprise Software Development Kit 12 SP3 libssh Already fixed
SUSE Linux Enterprise Workstation Extension 12 libssh Already fixed
SUSE Linux Enterprise Workstation Extension 12 SP2 libssh Already fixed