CVE-2019-18408

Description

archive_read_format_rar_read_data in archive_read_support_format_rar.c in libarchive before 3.4.0 has a use-after-free in a certain ARCHIVE_FAILED situation, related to Ppmd7_DecodeSymbol.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 4.63% Top 15%
Vendor Advisory ubuntu.com Vendor Advisory debian.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory gentoo.org Vendor Advisory fedoraproject.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=14689 third party advisory
https://github.com/libarchive/libarchive/commit/b8592ecba2f9e451e1f5cb7ab6dcee8b8e7b3f60 third party advisory patch
https://github.com/libarchive/libarchive/compare/v3.3.3...v3.4.0 third party advisory release notes
https://lists.debian.org/debian-lts-announce/2019/10/msg00034.html third party advisory mailing list
https://usn.ubuntu.com/4169-1/ third party advisory vendor advisory
https://www.debian.org/security/2019/dsa-4557 vendor advisory
https://seclists.org/bugtraq/2019/Nov/2 mailing list
https://support.f5.com/csp/article/K52144175?utm_source=f5support&%3Butm_medium=RSS
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
https://access.redhat.com/errata/RHSA-2020:0246 vendor advisory
https://access.redhat.com/errata/RHSA-2020:0271 vendor advisory
https://access.redhat.com/errata/RHSA-2020:0203 vendor advisory
https://security.gentoo.org/glsa/202003-28 vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6LZ4VJGTCYEJSDLOEWUUFG6TM4SUPFSY/ vendor advisory

Frequently Asked Questions

What is the severity of CVE-2019-18408?
CVE-2019-18408 has been scored as a high severity vulnerability.
How to fix CVE-2019-18408?
To fix CVE-2019-18408, 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-2019-18408 being actively exploited in the wild?
It is possible that CVE-2019-18408 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~5% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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