Medium severity · published Feb 4, 2019
CVE-2019-1000020
libarchive version commit 5a98dcf8a86364b3c2c469c85b93647dfb139961 onwards (version v2.8.0 onwards) contains a CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop')…
6.5
CVSS
3.2%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)3.2% · higher than 88% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
8.0 · source: NVD
EL
Enterprise Linux Desktop · Redhat
7.0 · source: NVD
EL
Enterprise Linux Server · Redhat
7.0 · source: NVD
EL
Enterprise Linux Workstation · Redhat
7.0 · source: NVD
FE
Fedora · Fedoraproject
29 · source: NVD
LE
Leap · Opensuse
15.0 · source: NVD
LI
Libarchive · Libarchive
2.8.0 before 3.4.0 · source: NVD
UL
Ubuntu Linux · Canonical
14.04; 16.04; 18.04; 18.10 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-1000020
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-1000020
Mailing List
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00055.html
lists.opensuse.org
http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00012.html
lists.opensuse.org
http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00015.html
Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:2298
access.redhat.com
https://access.redhat.com/errata/RHSA-2019:3698
Third Party Advisory
https://github.com/libarchive/libarchive/pull/1120
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