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CVE-2019-18408

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Date: October 24, 2019

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.

Language: C

Severity Score

Related Resources (21)

https://access.redhat.com/security/cve/CVE-2019-18408
https://nvd.nist.gov/vuln/detail/CVE-2019-18408
https://access.redhat.com/errata/RHSA-2020:0271
https://usn.ubuntu.com/4169-1/
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=14689
https://github.com/libarchive/libarchive/compare/v3.3.3...v3.4.0
https://access.redhat.com/errata/RHSA-2020:0203
https://access.redhat.com/errata/RHSA-2020:0246
https://github.com/libarchive/libarchive/commit/b8592ecba2f9e451e1f5cb7ab6dcee8b8e7b3f60
https://www.debian.org/security/2019/dsa-4557
https://people.canonical.com/~ubuntu-security/cve/CVE-2019-18408
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6LZ4VJGTCYEJSDLOEWUUFG6TM4SUPFSY/
https://support.f5.com/csp/article/K52144175?utm_source=f5support&utm_medium=RSS
https://security-tracker.debian.org/tracker/CVE-2019-18408
http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00015.html
https://security.gentoo.org/glsa/202003-28
https://security.alpinelinux.org/vuln/CVE-2019-18408
http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00012.html
https://seclists.org/bugtraq/2019/Nov/2
https://lists.debian.org/debian-lts-announce/2019/10/msg00034.html
https://www.mend.io/vulnerability-database/CVE-2019-18408

Severity Score

Weakness Type (CWE)

Use After Free

CWE-416

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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