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Test ID:1.3.6.1.4.1.25623.1.1.12.2025.7404.1
Category:Ubuntu Local Security Checks
Title:Ubuntu: Security Advisory (USN-7404-1)
Summary:The remote host is missing an update for the 'php-phpseclib, php-phpseclib3, phpseclib' package(s) announced via the USN-7404-1 advisory.
Description:Summary:
The remote host is missing an update for the 'php-phpseclib, php-phpseclib3, phpseclib' package(s) announced via the USN-7404-1 advisory.

Vulnerability Insight:
It was discovered that phpseclib did not correctly handle RSA PKCS#1
v1.5 signature verification. An attacker could possibly use this issue to
bypass authentication. This issue only affected Ubuntu 20.04 LTS.
(CVE-2021-30130)

It was discovered that phpseclib did not correctly handle certain
characters in certain TLS fields, which could lead to name confusion.
An attacker could possibly use this issue to bypass authentication.
(CVE-2023-52892)

It was discovered that phpseclib incorrectly limited the size of prime
numbers generated by isPrime. An attacker could possibly use this issue
to cause a denial of service. (CVE-2024-27354)

It was discovered that phpseclib did not correctly handle processing the
ASN.1 object identifier of a certificate. An attacker could possibly use
this issue to cause a denial of service. This issue only affected
Ubuntu 20.04 LTS and Ubuntu 22.04 LTS. (CVE-2024-27355)

Affected Software/OS:
'php-phpseclib, php-phpseclib3, phpseclib' package(s) on Ubuntu 16.04, Ubuntu 18.04, Ubuntu 20.04, Ubuntu 22.04.

Solution:
Please install the updated package(s).

CVSS Score:
5.0

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

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2021-30130
https://github.com/phpseclib/phpseclib/pull/1635
https://lists.debian.org/debian-lts-announce/2022/11/msg00024.html
https://lists.debian.org/debian-lts-announce/2022/11/msg00025.html
Common Vulnerability Exposure (CVE) ID: CVE-2023-52892
Common Vulnerability Exposure (CVE) ID: CVE-2024-27354
https://gist.github.com/katzj/ee72f3c2a00590812b2ea3c0c8890e0b
https://github.com/phpseclib/phpseclib/blob/master/phpseclib/Math/PrimeField.php#L49
https://lists.debian.org/debian-lts-announce/2024/03/msg00002.html
https://lists.debian.org/debian-lts-announce/2024/03/msg00003.html
Common Vulnerability Exposure (CVE) ID: CVE-2024-27355
https://github.com/phpseclib/phpseclib/blob/978d081fe50ff92879c50ff143c62a143edb0117/phpseclib/File/ASN1.php#L1129
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