archive_read_support_format_rar5.c in libarchive before 3.4.2 attempts to unpack a RAR5 file with an invalid or corrupted header (such as a header size of zero), leading to a SIGSEGV or possibly unspecified other impact.

Rebase to version 3.4.3

Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website.
Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

The remote host is affected by the vulnerability described in GLSA-202003-28 (libarchive: Multiple vulnerabilities)

    Multiple vulnerabilities have been discovered in libarchive. Please       review the CVE identifiers referenced below for details.
  Impact :

    A remote attacker could entice a user to open a specially crafted       archive file possibly resulting in the execution of arbitrary code with       the privileges of the process or a Denial of Service condition.
  Workaround :

    There is no known workaround at this time.

The remote Ubuntu 16.04 LTS / 18.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-4293-1 advisory.

    It was discovered that libarchive incorrectly handled certain archive files. An attacker could possibly     use this issue to access sensitive information. (CVE-2019-19221)

    It was discovered that libarchive incorrectly handled certain archive files. An attacker could possibly     use this issue to cause a crash resulting in a denial of service or possibly unspecified other impact.
    This issue only affected Ubuntu 19.10. (CVE-2020-9308)

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

ID	Name	Product	Family	Severity
137215	Fedora 31 : libarchive (2020-d8278fe24d)	Nessus	Fedora Local Security Checks	high
137117	Fedora 32 : libarchive (2020-94211d0a7d)	Nessus	Fedora Local Security Checks	high
134605	GLSA-202003-28 : libarchive: Multiple vulnerabilities	Nessus	Gentoo Local Security Checks	high
134298	Ubuntu 16.04 LTS / 18.04 LTS : libarchive vulnerabilities (USN-4293-1)	Nessus	Ubuntu Local Security Checks	high

Detections

Analytics

CVE-2020-9308

high

Tenable Plugins

high

high

high

high