CVE-2023-3824

Advisory lineage Upstream: 0 Downstream: 17
Modified
Published: 11 Aug 2023, 05:48
Last modified:13 Feb 2025, 17:01

Vulnerability Summary

Overall Risk (default)
high
70/100
CVSS Score
9.8 CRITICAL
v3.1 (nvd)
EPSS Score
29.39% HIGH
29% probability -3.33%
KEV
Not listed
Ransomware
No reports
Public exploits
1 found
Dark Web
Not detected

Timeline

11 Aug 2023, 05:48
Published
Vulnerability first disclosed
13 Feb 2025, 17:01
Last Modified
Vulnerability information updated

Description

In PHP version 8.0.* before 8.0.30,  8.1.* before 8.1.22, and 8.2.* before 8.2.8, when loading phar file, while reading PHAR directory entries, insufficient length checking may lead to a stack buffer overflow, leading potentially to memory corruption or RCE.

CVSS Metrics

  • v3.1•CRITICAL•Score: 9.4CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L
  • v3.1•CRITICAL•Score: 9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Trends

Current EPSS score: 29.39%• Percentile: 97%

Techniques & Countermeasures

  • CWE-119•Improper Restriction of Operations within the Bounds of a Memory Buffer

    The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.

Affected Systems

  • debian•debian_linux

    10.0

  • fedoraproject•fedora

    38

  • Unknown•PHP

    ≥ 8.0.*, < 8.0.30 | ≥ 8.1.*, < 8.1.22 | ≥ 8.2.*, < 8.2.8

  • Unknown•PHP

    ≥ 8.0.0, < 8.0.30 | ≥ 8.1.0, < 8.1.22 | ≥ 8.2.0, < 8.2.9

References (4)