Ubuntu 16.04 LTS / 18.04 LTS : igraph vulnerability (USN-4644-1)

Medium Nessus Plugin ID 143249

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VPR Score: 3.6

Synopsis

The remote Ubuntu host is missing a security update.

Description

The remote Ubuntu 16.04 LTS / 18.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-4644-1 advisory.

- The igraph_i_strdiff function in igraph_trie.c in igraph through 0.7.1 has an NULL pointer dereference that allows attackers to cause a denial of service (application crash) via a crafted object.
(CVE-2018-20349)

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

Solution

Update the affected libigraph0-dev and / or libigraph0v5 packages.

See Also

https://ubuntu.com/security/notices/USN-4644-1

Plugin Details

Severity: Medium

ID: 143249

File Name: ubuntu_USN-4644-1.nasl

Version: 1.3

Type: local

Agent: unix

Published: 2020/11/24

Updated: 2020/12/01

Dependencies: 12634

Risk Information

Risk Factor: Medium

VPR Score: 3.6

CVSS Score Source: CVE-2018-20349

CVSS v2.0

Base Score: 4.3

Temporal Score: 3.2

Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:N/A:P

Temporal Vector: CVSS2#E:U/RL:OF/RC:C

CVSS v3.0

Base Score: 6.5

Temporal Score: 5.7

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:canonical:ubuntu_linux:16.04:-:lts, cpe:/o:canonical:ubuntu_linux:18.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:libigraph0-dev, p-cpe:/a:canonical:ubuntu_linux:libigraph0v5

Required KB Items: Host/cpu, Host/Ubuntu, Host/Ubuntu/release, Host/Debian/dpkg-l

Exploit Ease: No known exploits are available

Patch Publication Date: 2020/11/24

Vulnerability Publication Date: 2018/12/22

Reference Information

CVE: CVE-2018-20349

USN: 4644-1