Ubuntu update for php7.4

1) Use of insufficiently random values

EUVDB-ID: #VU77112

Risk: Medium

CVSSv3.1: 4.2 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-3247

CWE-ID: CWE-330 - Use of Insufficiently Random Values

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass authentication.

The vulnerability exists due to a missing error check and insufficient random bytes in HTTP Digest authentication for SOAP. A remote attacker can perform a brute-force attack and bypass authentication process.

Mitigation

Update the affected package php7.4 to the latest version.

Vulnerable software versions

Ubuntu: 20.04 - 23.04

php7.4-cli (Ubuntu package): before 7.4.3-4ubuntu2.19

php7.4-soap (Ubuntu package): before 7.4.3-4ubuntu2.19

php7.4-cgi (Ubuntu package): before 7.4.3-4ubuntu2.19

php7.4 (Ubuntu package): before 7.4.3-4ubuntu2.19

php8.1-sqlite3 (Ubuntu package): before 8.1.2-1ubuntu2.13

php8.1-cgi (Ubuntu package): before 8.1.12-1ubuntu4.2

libapache2-mod-php8.1 (Ubuntu package): before 8.1.12-1ubuntu4.2

libapache2-mod-php8.0 (Ubuntu package): before 8.1.12-1ubuntu4.2

libapache2-mod-php7.4 (Ubuntu package): before 8.1.12-1ubuntu4.2

php8.1-soap (Ubuntu package): before 8.1.12-1ubuntu4.2

php8.1 (Ubuntu package): before 8.1.12-1ubuntu4.2

php8.1-cli (Ubuntu package): before 8.1.12-1ubuntu4.2

External links

http://ubuntu.com/security/notices/USN-6199-1

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.