CVE-2019-1000019

Public Exploit

Description

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.

Category

6.5
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 1.06% Top 25%
Vendor Advisory ubuntu.com Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory opensuse.org Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory opensuse.org Vendor Advisory opensuse.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/libarchive/libarchive/pull/1120 third party advisory
https://usn.ubuntu.com/3884-1/ third party advisory vendor advisory
https://lists.debian.org/debian-lts-announce/2019/02/msg00013.html third party advisory mailing list
https://github.com/libarchive/libarchive/pull/1120/commits/65a23f5dbee4497064e9bb467f81138a62b0dae1 patch third party advisory exploit
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZVXA7PHINVT6DFF6PRLTDTVTXKDLVHNF/ vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CBOCC2M6YGPZA6US43YK4INPSJZZHRTG/ vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00055.html vendor advisory mailing list third party advisory
https://access.redhat.com/errata/RHSA-2019:2298 third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2019:3698 vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00012.html vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00015.html vendor advisory

Frequently Asked Questions

What is the severity of CVE-2019-1000019?
CVE-2019-1000019 has been scored as a medium severity vulnerability.
How to fix CVE-2019-1000019?
To fix CVE-2019-1000019, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2019-1000019 being actively exploited in the wild?
It is possible that CVE-2019-1000019 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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