Upstream information

CVE-2020-21674 at MITRE

Description

Heap-based buffer overflow in archive_string_append_from_wcs() (archive_string.c) in libarchive-3.4.1dev allows remote attackers to cause a denial of service (out-of-bounds write in heap memory resulting into a crash) via a crafted archive file. NOTE: this only affects users who downloaded the development code from GitHub. Users of the product's official releases are unaffected.

SUSE information

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

This issue is currently rated as having moderate severity.

CVSS v2 Scores
  National Vulnerability Database
Base Score 4.3
Vector AV:N/AC:M/Au:N/C:N/I:N/A:P
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial
CVSS v3 Scores
  National Vulnerability Database SUSE
Base Score 6.5 4.3
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
Access Vector Network Network
Access Complexity Low Low
Privileges Required None None
User Interaction Required Required
Scope Unchanged Unchanged
Confidentiality Impact None None
Integrity Impact None None
Availability Impact High Low
CVSSv3 Version 3.1 3.1
SUSE Bugzilla entry: 1177934 [RESOLVED / WORKSFORME]

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Please note that this evaluation state might be work in progress, incomplete or outdated.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
HPE Helion OpenStack 8 libarchive Not affected
SUSE Enterprise Storage 5 libarchive Not affected
SUSE Linux Enterprise 15-SP1 Module for Basesystem libarchive Not affected
SUSE Linux Enterprise 15-SP1 Module for Development Tools libarchive Not affected
SUSE Linux Enterprise 15-SP2 Module for Basesystem libarchive Not affected
SUSE Linux Enterprise 15-SP2 Module for Development Tools libarchive Not affected
SUSE Linux Enterprise High Performance Computing 12 SP5 libarchive Not affected
SUSE Linux Enterprise High Performance Computing 15 LTSS libarchive Not affected
SUSE Linux Enterprise Point of Service 11 SP3 bsdtar Not affected
SUSE Linux Enterprise Point of Service Image Server 12 libarchive Not affected
SUSE Linux Enterprise Server 11 SP4 LTSS bsdtar Not affected
SUSE Linux Enterprise Server 12 SP2 BCL libarchive Not affected
SUSE Linux Enterprise Server 12 SP2 ESPOS libarchive Not affected
SUSE Linux Enterprise Server 12 SP2 LTSS libarchive Not affected
SUSE Linux Enterprise Server 12 SP3 BCL libarchive Not affected
SUSE Linux Enterprise Server 12 SP3 ESPOS libarchive Not affected
SUSE Linux Enterprise Server 12 SP3 LTSS libarchive Not affected
SUSE Linux Enterprise Server 12 SP4 ESPOS libarchive Not affected
SUSE Linux Enterprise Server 12 SP4 LTSS libarchive Not affected
SUSE Linux Enterprise Server 12 SP5 libarchive Not affected
SUSE Linux Enterprise Server 15 LTSS libarchive Not affected
SUSE Linux Enterprise Server ESPOS 15 libarchive Not affected
SUSE Linux Enterprise Server for SAP Applications 12 SP2 libarchive Not affected
SUSE Linux Enterprise Server for SAP Applications 12 SP3 libarchive Not affected
SUSE Linux Enterprise Server for SAP Applications 12 SP4 libarchive Not affected
SUSE Linux Enterprise Server for SAP Applications 12 SP5 libarchive Not affected
SUSE Linux Enterprise Server for SAP Applications 15 libarchive Not affected
SUSE OpenStack Cloud 7 libarchive Not affected
SUSE OpenStack Cloud 8 libarchive Not affected
SUSE OpenStack Cloud 9 libarchive Not affected
SUSE OpenStack Cloud Crowbar 8 libarchive Not affected
SUSE OpenStack Cloud Crowbar 9 libarchive Not affected