CVE-2023-3824 (GCVE-0-2023-3824)

Vulnerability from cvelistv5 – Published: 2023-08-11 05:48 – Updated: 2025-02-13 17:01
VLAI
Title
Buffer overflow and overread in phar_dir_read()
Summary
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.
Severity
9.4 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L
CWE
  • CWE-119 - Improper Restriction of Operations within the Bounds of a Memory Buffer
Assigner
php
References
Impacted products
Vendor Product Version
PHP Group PHP Affected: 8.0.* , < 8.0.30 (semver)
Affected: 8.1.* , < 8.1.22 (semver)
Affected: 8.2.* , < 8.2.8 (semver)
Create a notification for this product.
Credits
Niels Dossche
Show details on NVD website
To clipboard 

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      "cve": "CVE-2023-3824",
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      "title": "php: phar Buffer mismanagement",
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}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.