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Ubuntu 18.04 LTS / 20.04 LTS / 22.04 LTS : curl vulnerabilities (USN-5891-1)

critical Nessus Plugin ID 171942

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Synopsis

The remote Ubuntu host is missing one or more security updates.

Description

The remote Ubuntu 18.04 LTS / 20.04 LTS / 22.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-5891-1 advisory.

 Harry Sintonen discovered that curl incorrectly handled HSTS support when multiple URLs are requested serially. A remote attacker could possibly use this issue to cause curl to use unencrypted connections.
 This issue only affected Ubuntu 22.04 LTS, and Ubuntu 22.10. (CVE-2023-23914)

 Harry Sintonen discovered that curl incorrectly handled HSTS support when multiple URLs are requested in parallel. A remote attacker could possibly use this issue to cause curl to use unencrypted connections.
 This issue only affected Ubuntu 22.04 LTS, and Ubuntu 22.10. (CVE-2023-23915)

 Patrick Monnerat discovered that curl incorrectly handled memory when processing requests with multi- header compression. A remote attacker could possibly use this issue to cause curl to consume resources, leading to a denial of service. (CVE-2023-23916)

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.

Solution

Update the affected packages.

See Also

https://ubuntu.com/security/notices/USN-5891-1

Plugin Details

Severity: Critical

ID: 171942

File Name: ubuntu_USN-5891-1.nasl

Version: 1.5

Type: local

Agent: unix

Published: 2/28/2023

Updated: 8/27/2024

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.0

CVSS v2

Risk Factor: High

Base Score: 9.4

Temporal Score: 7.4

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

CVSS Score Source: CVE-2023-23914

CVSS v3

Risk Factor: Critical

Base Score: 9.1

Temporal Score: 8.2

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

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

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:libcurl3-gnutls, cpe:/o:canonical:ubuntu_linux:20.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:curl, cpe:/o:canonical:ubuntu_linux:18.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:libcurl4-gnutls-dev, cpe:/o:canonical:ubuntu_linux:22.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:libcurl3-nss, p-cpe:/a:canonical:ubuntu_linux:libcurl4, p-cpe:/a:canonical:ubuntu_linux:libcurl4-nss-dev, p-cpe:/a:canonical:ubuntu_linux:libcurl4-openssl-dev

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: 2/27/2023

Vulnerability Publication Date: 1/5/2023

Reference Information

CVE: CVE-2023-23914, CVE-2023-23915, CVE-2023-23916

IAVA: 2023-A-0008-S, 2023-A-0108-S

USN: 5891-1