Loop with Unreachable Exit Condition ('Infinite Loop') Affecting bsdtar package, versions <0:3.1.2-12.el7


Severity

Recommended
0.0
medium
0
10

Based on CentOS security rating.

Threat Intelligence

EPSS
1.65% (88th percentile)

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  • Snyk IDSNYK-CENTOS7-BSDTAR-2145525
  • published26 Jul 2021
  • disclosed20 Jan 2019

Introduced: 20 Jan 2019

CVE-2019-1000020  (opens in a new tab)
CWE-835  (opens in a new tab)

How to fix?

Upgrade Centos:7 bsdtar to version 0:3.1.2-12.el7 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream bsdtar package and not the bsdtar package as distributed by Centos. See How to fix? for Centos:7 relevant fixed versions and status.

libarchive version commit 5a98dcf8a86364b3c2c469c85b93647dfb139961 onwards (version v2.8.0 onwards) contains a CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop') vulnerability in ISO9660 parser, archive_read_support_format_iso9660.c, read_CE()/parse_rockridge() that can result in DoS by infinite loop. This attack appears to be exploitable via the victim opening a specially crafted ISO9660 file.

CVSS Scores

version 3.1