CVE-2019-1000019

moderate-risk
Published 2019-02-04

libarchive version commit bf9aec176c6748f0ee7a678c5f9f9555b9a757c1 onwards (release v3.0.2 onwards) contains a CWE-125: Out-of-bounds Read vulnerability in 7zip decompression, archive_read_support_format_7zip.c, header_bytes() that can result in a crash (denial of service). This attack appears to be exploitable via the victim opening a specially crafted 7zip file.

Do I need to act?

~
2.8% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
6
CVSS 6.5/10 Medium
NETWORK / LOW complexity

Affected Products (12)

Affected Vendors

Debian Redhat Canonical Fedoraproject Opensuse Libarchive

References (22)

Mailing List http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00055.html
http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00012.html
http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00015.html
Third Party Advisory https://access.redhat.com/errata/RHSA-2019:2298
https://access.redhat.com/errata/RHSA-2019:3698
Third Party Advisory https://github.com/libarchive/libarchive/pull/1120
Exploit https://github.com/libarchive/libarchive/pull/1120/commits/65a23f5dbee4497064e9b...
Mailing List https://lists.debian.org/debian-lts-announce/2019/02/msg00013.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro...
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro...
Third Party Advisory https://usn.ubuntu.com/3884-1/
Mailing List http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00055.html
http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00012.html
http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00015.html
Third Party Advisory https://access.redhat.com/errata/RHSA-2019:2298
https://access.redhat.com/errata/RHSA-2019:3698
Third Party Advisory https://github.com/libarchive/libarchive/pull/1120
Exploit https://github.com/libarchive/libarchive/pull/1120/commits/65a23f5dbee4497064e9b...
Mailing List https://lists.debian.org/debian-lts-announce/2019/02/msg00013.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro...
and 2 more references
47
/ 100
moderate-risk
Severity 24/34 · High
Exploitability 6/34 · Minimal
Exposure 17/34 · Moderate