In PHP versions before 7.4.31, 8.0.24 and 8.1.11, the phar uncompressor code would recursively uncompress "quines" gzip files, resulting in an infinite loop.
Published 2022-09-28 23:15:09
Updated 2023-07-21 19:26:04
Source PHP Group
View at NVD,   CVE.org

Threat overview for CVE-2022-31628

Top countries where our scanners detected CVE-2022-31628
Top open port discovered on systems with this issue 80
IPs affected by CVE-2022-31628 184,330
Threat actors abusing to this issue? Yes
Find out if you* are affected by CVE-2022-31628!
*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2022-31628

Probability of exploitation activity in the next 30 days: 0.07%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 29 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2022-31628

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source
5.5
MEDIUM CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
1.8
3.6
NIST
2.3
LOW CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L
0.8
1.4
PHP Group

CWE ids for CVE-2022-31628

  • The product does not properly control the amount of recursion that takes place, consuming excessive resources, such as allocated memory or the program stack.
    Assigned by:
    • nvd@nist.gov (Primary)
    • security@php.net (Secondary)
  • The product contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2022-31628

Products affected by CVE-2022-31628

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