Upstream information

CVE-2018-6003 at MITRE

Description

An issue was discovered in the _asn1_decode_simple_ber function in decoding.c in GNU Libtasn1 before 4.13. Unlimited recursion in the BER decoder leads to stack exhaustion and DoS.

SUSE information

Overall state of this security issue: Resolved

This issue is currently rated as having moderate severity.

CVSS v2 Scores
  National Vulnerability Database
Base Score 5
Vector AV:N/AC:L/Au:N/C:N/I:N/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial
CVSS v3 Scores
  National Vulnerability Database SUSE
Base Score 7.5 7.5
Vector AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Access Vector Network Network
Access Complexity Low Low
Privileges Required None None
User Interaction None None
Scope Unchanged Unchanged
Confidentiality Impact None None
Integrity Impact None None
Availability Impact High High
SUSE Bugzilla entry: 1076832 [RESOLVED / FIXED]

SUSE Security Advisories:

List of released packages

Product(s) Fixed package version(s) References
SUSE CaaS Platform ALL
  • libtasn1 >= 4.9-3.5.1
  • libtasn1-6 >= 4.9-3.5.1
Patchnames:
SUSE-CAASP-ALL-2018-214
SUSE Linux Enterprise Desktop 12 SP3
  • libtasn1 >= 4.9-3.5.1
  • libtasn1-6 >= 4.9-3.5.1
  • libtasn1-6-32bit >= 4.9-3.5.1
Patchnames:
SUSE-SLE-DESKTOP-12-SP3-2018-214
SUSE Linux Enterprise Module for Basesystem 15
  • libtasn1 >= 4.13-2.15
  • libtasn1-6 >= 4.13-2.15
  • libtasn1-devel >= 4.13-2.15
Patchnames:
SUSE Linux Enterprise Module for Basesystem 15 GA libtasn1
SUSE Linux Enterprise Module for Desktop Applications 15
  • libtasn1-6-32bit >= 4.13-2.15
Patchnames:
SUSE Linux Enterprise Module for Desktop Applications 15 GA libtasn1-6-32bit
SUSE Linux Enterprise Server 12 SP3
  • libtasn1 >= 4.9-3.5.1
  • libtasn1-6 >= 4.9-3.5.1
  • libtasn1-6-32bit >= 4.9-3.5.1
Patchnames:
SUSE-SLE-SERVER-12-SP3-2018-214
SUSE Linux Enterprise Software Development Kit 12 SP3
  • libtasn1 >= 4.9-3.5.1
  • libtasn1-devel >= 4.9-3.5.1
Patchnames:
SUSE-SLE-SDK-12-SP3-2018-214
openSUSE Leap 15.0
  • libtasn1 >= 4.13-lp150.2.2
  • libtasn1-6 >= 4.13-lp150.2.2
Patchnames:
openSUSE Leap 15.0 GA libtasn1
openSUSE Leap 42.3
  • libtasn1 >= 4.9-3.1
  • libtasn1-6 >= 4.9-3.1
  • libtasn1-6-32bit >= 4.9-3.1
  • libtasn1-6-debuginfo >= 4.9-3.1
  • libtasn1-6-debuginfo-32bit >= 4.9-3.1
  • libtasn1-debuginfo >= 4.9-3.1
  • libtasn1-debugsource >= 4.9-3.1
  • libtasn1-devel >= 4.9-3.1
  • libtasn1-devel-32bit >= 4.9-3.1
Patchnames:
openSUSE-2018-112


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
CaaS Platform 2.0 libtasn1 Released
OpenStack Cloud Magnum Orchestration 7.0 libtasn1 Not affected
SUSE Linux Enterprise Desktop 12 SP2 libtasn1 Unsupported
SUSE Linux Enterprise Desktop 12 SP3 libtasn1 Released
SUSE Linux Enterprise SDK 11 SP4 libtasn1 Not affected
SUSE Linux Enterprise SDK 12 SP2 libtasn1 Unsupported
SUSE Linux Enterprise SDK 12 SP3 libtasn1 Released
SUSE Linux Enterprise Server 11 SP3 LTSS libtasn1 Not affected
SUSE Linux Enterprise Server 11 SP4 libtasn1 Not affected
SUSE Linux Enterprise Server 12 GA LTSS libtasn1 Not affected
SUSE Linux Enterprise Server 12 SP1 LTSS libtasn1 Not affected
SUSE Linux Enterprise Server 12 SP2 libtasn1 Unsupported
SUSE Linux Enterprise Server 12 SP3 libtasn1 Released