CVE & CISA-KEV Catalog

CVE-2022-31627

HIGHEPSS 74th pctl

7.7

CVSS v3

Description

In PHP versions 8.1.x below 8.1.8, when fileinfo functions, such as finfo_buffer, due to incorrect patch applied to the third party code from libmagic, incorrect function may be used to free allocated memory, which may lead to heap corruption.

CWE-590 CWE-787Out-of-bounds Write

How to fix

Remediation Available

libapache2-mod-php8.1Ubuntu

Fixed in:8.1.2-1ubuntu2.2USN-5530-1

php8.1Ubuntu

Fixed in:8.1.2-1ubuntu2.2USN-5530-1

php8.1-cgiUbuntu

Fixed in:8.1.2-1ubuntu2.2USN-5530-1

php8.1-cliUbuntu

Fixed in:8.1.2-1ubuntu2.2USN-5530-1

php8.1-fpmUbuntu

Fixed in:8.1.2-1ubuntu2.2USN-5530-1

php8.1-mysqlUbuntu

Fixed in:8.1.2-1ubuntu2.2USN-5530-1

php8.1-pgsqlUbuntu

Fixed in:8.1.2-1ubuntu2.2USN-5530-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityHigh

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityLow

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L

Exploit Intelligence

1.65%probability of exploitation in 30 days

74thpercentile

Elevated risk: more likely to be exploited than 74% of all known CVEs.

References

Patch1

bugs.php.net

Third-Party Advisory2

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.