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CVE-2023-3247

Public on 2023-06-17
Modified on 2024-01-12
Description

In PHP versions 8.0.* before 8.0.29, 8.1.* before 8.1.20, 8.2.* before 8.2.7 when using SOAP HTTP Digest Authentication, random value generator was not checked for failure, and was using narrower range of values than it should have. In case of random generator failure, it could lead to a disclosure of 31 bits of uninitialized memory from the client to the server, and it also made easier to a malicious server to guess the client's nonce.

Severity
Medium
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CVSS v3 Base Score
5.3
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Affected Packages

Platform Package Release Date Advisory
Amazon Linux 2 - Php8.0 Extra php 2023-09-06 19:00 ALAS2PHP8.0-2023-009
Amazon Linux 2 - Php8.1 Extra php 2023-09-06 19:00 ALAS2PHP8.1-2023-004
Amazon Linux 2 - Php8.2 Extra php 2023-09-06 19:00 ALAS2PHP8.2-2023-002
Amazon Linux 2023 php8.1 2023-08-31 21:44 ALAS2023-2023-325
Amazon Linux 2023 php8.1 2023-08-17 11:20 ALAS2023-2023-303

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 5.3 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N
NVD CVSSv3 4.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

References

Red Hat: CVE-2023-3247 Mitre: CVE-2023-3247 FAQs regarding Amazon Linux ALAS/CVE Severity