Detections
Analytics
Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS : PEAR vulnerability (USN-4723-1)
high Nessus Plugin ID 146301
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Synopsis
The remote Ubuntu host is missing a security update.Description
The remote Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS host has a package installed that is affected by a vulnerability as referenced in the USN-4723-1 advisory.It was discovered that PEAR incorrectly handled symbolic links in archives. A remote attacker could possibly use this issue to execute arbitrary code.
Tenable has extracted the preceding description block directly from the Ubuntu security advisory.
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 php-pear package.See Also
Plugin Details
Severity: High
ID: 146301
File Name: ubuntu_USN-4723-1.nasl
Version: 1.7
Type: local
Agent: unix
Family: Ubuntu Local Security Checks
Published: 2/8/2021
Updated: 8/28/2024
Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 5.1
CVSS v2
Risk Factor: Medium
Base Score: 5
Temporal Score: 4.1
Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:P/A:N
CVSS Score Source: CVE-2020-36193
CVSS v3
Risk Factor: High
Base Score: 7.5
Temporal Score: 7
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Temporal Vector: CVSS:3.0/E:F/RL:O/RC:C
Vulnerability Information
CPE: cpe:/o:canonical:ubuntu_linux:18.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:php-pear, cpe:/o:canonical:ubuntu_linux:20.04:-:lts, cpe:/o:canonical:ubuntu_linux:16.04:-:lts
Required KB Items: Host/cpu, Host/Debian/dpkg-l, Host/Ubuntu, Host/Ubuntu/release
Exploit Available: true
Exploit Ease: Exploits are available
Patch Publication Date: 2/8/2021
Vulnerability Publication Date: 1/18/2021
CISA Known Exploited Vulnerability Due Dates: 9/15/2022
Reference Information
CVE: CVE-2020-36193
USN: 4723-1