Amazon Linux 2 : oniguruma (ALAS-2020-1560)

High Nessus Plugin ID 142733

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VPR Score: 4.7

Synopsis

The remote Amazon Linux 2 host is missing a security update.

Description

The version of tested product installed on the remote host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the ALAS2-2020-1560 advisory.

- In Oniguruma 6.9.5_rev1, an attacker able to supply a regular expression for compilation may be able to overflow a buffer by one byte in concat_opt_exact_str in src/regcomp.c . (CVE-2020-26159)

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

Solution

Run 'yum update oniguruma' to update your system.

See Also

https://alas.aws.amazon.com/AL2/ALAS-2020-1560.html

https://access.redhat.com/security/cve/CVE-2020-26159

Plugin Details

Severity: High

ID: 142733

File Name: al2_ALAS-2020-1560.nasl

Version: 1.2

Type: local

Agent: unix

Published: 2020/11/11

Updated: 2020/11/11

Dependencies: 12634

Risk Information

Risk Factor: High

VPR Score: 4.7

CVSS Score Source: CVE-2020-26159

CVSS v2.0

Base Score: 7.5

Temporal Score: 5.5

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

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

CVSS v3.0

Base Score: 8.6

Temporal Score: 7.5

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

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

Vulnerability Information

CPE: p-cpe:/a:amazon:linux:oniguruma, p-cpe:/a:amazon:linux:oniguruma-debuginfo, p-cpe:/a:amazon:linux:oniguruma-devel, cpe:/o:amazon:linux:2

Required KB Items: Host/local_checks_enabled, Host/AmazonLinux/release, Host/AmazonLinux/rpm-list

Exploit Ease: No known exploits are available

Patch Publication Date: 2020/11/09

Vulnerability Publication Date: 2020/09/30

Reference Information

CVE: CVE-2020-26159

ALAS: 2020-1560