SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2019-1000020

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,…

MEDIUM 6.5EPSS 3.20%

Does this matter?

Lower severity and a low EPSS score (3.20%). Track it; it rarely justifies an emergency change on its own.

Description

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 3.1
6.5 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
EPSS
3.20% probability · 87th percentile
CISA KEV
Not listed
Weakness
CWE-835
Affected
libarchive/libarchive · canonical/ubuntu linux · debian/debian linux · fedoraproject/fedora · opensuse/leap · redhat/enterprise linux desktop · redhat/enterprise linux server · redhat/enterprise linux workstation
Source
cve@mitre.org

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.