Upstream information

CVE-2016-4356 at MITRE

Description

The append_utf8_value function in the DN decoder (dn.c) in Libksba before 1.3.3 allows remote attackers to cause a denial of service (out-of-bounds read) by clearing the high bit of the byte after invalid utf-8 encoded data.

SUSE information

Overall state of this security issue: Does not affect SUSE products

This issue is currently rated as having important severity.

CVSS v2 Scores
  National Vulnerability Database SUSE
Base Score 5 5.8
Vector AV:N/AC:L/Au:N/C:N/I:N/A:P AV:N/AC:M/Au:N/C:P/I:N/A:P
Access Vector Network Network
Access Complexity Low Medium
Authentication None None
Confidentiality Impact None Partial
Integrity Impact None None
Availability Impact Partial Partial
CVSS v3 Scores
  National Vulnerability Database
Base Score 7.5
Vector AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Access Vector Network
Access Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact None
Integrity Impact None
Availability Impact High
SUSE Bugzilla entries: 977977 [RESOLVED / INVALID], 979261 [RESOLVED / FIXED]

No SUSE Security Announcements cross referenced.


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Please note that this evaluation state might be work in progress, incomplete or outdated.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 SP1 libksba Not affected
SUSE Linux Enterprise Desktop 11 SP4 libksba Not affected
SUSE Linux Enterprise Desktop 12 GA libksba Not affected
SUSE Linux Enterprise Desktop 12 SP1 libksba Unsupported
SUSE Linux Enterprise Server 11 SP2 LTSS libksba Not affected
SUSE Linux Enterprise Server 11 SP3 LTSS libksba Not affected
SUSE Linux Enterprise Server 11 SP4 libksba Not affected
SUSE Linux Enterprise Server 12 GA libksba Not affected
SUSE Linux Enterprise Server 12 SP1 libksba Unsupported