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LOW

CVE-2024-9026

CVE-2024-9026 — PHP-FPM logs from children may be altered

In PHP versions 8.1.* before 8.1.30, 8.2.* before 8.2.24, 8.3.* before 8.3.12, when using PHP-FPM SAPI and it is configured to catch workers output through catch_workers_output = yes, it may be possible to pollute the final log or remove up to 4 characters from the log messages by manipulating log message content. Additionally, if PHP-FPM is configured to use syslog output, it may be possible to further remove log data using the same vulnerability.

Published Updated Sources: cvelistV5, php

Triage

Is it exploited, how likely is exploitation, what does it touch, and how severe do the scoring sources call it.

Exploitation

Unreported

no source claims exploitation

EPSS

0%

chance of exploitation in 30 days

Affects

php group

php

CVSS base

3.3

LOW

CISA SSVC assessment

Three decision points CISA publishes for the CVEs it assesses · SSVC 2.0.3. A stakeholder decision, not a severity score.

CISA

Exploitation

PoC

none · proof-of-concept · active

Automatable

No

can an attacker script all four kill-chain steps

Technical impact

Partial

partial · total control of the vulnerable component

Affected scope

The catalog records vendors and products as separate lists, not pairs, so which product belongs to which vendor is not something this page can say.

Vendors (2)

php groupphp

Products (1)

php

Every base score collected

Sources score independently and disagree; each row says who scored it and under which version.

ScoreVersionSeverityExpl.ImpactSource
3.3CVSS 3.1LOW——cvelistV5

Weakness & attack patterns

  • CWE-158
  • CWE-117

Attack patterns reported against this CVE. The ATT&CK techniques below are inferred from its weakness class.

  • T1070Indicator Removal on Host
  • T1562.002Impair Defenses: Disable Windows Event Logging
  • T1562.003Impair Defenses: Impair Command History Logging

References

3 on the record

Elsewhere on this site

  • php groupevery CVE for this vendor
  • phpevery CVE for this vendor
  • CWE-158other pages naming this weakness

Not in any source we poll

Listed rather than left blank: an empty field and an unmeasured one look identical on screen, and only one is a reason to look elsewhere.

  • No confirmed IOCs, IP addresses, domains, file hashes, or malware artifacts supplied.
  • No organization-specific asset inventory, compensating-control status, or patch deployment evidence supplied.
  • No exploit packet captures, log samples, or incident case IDs supplied.