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nvd[email protected]NVD:CVE-2022-31630
HistoryNov 14, 2022 - 7:15 a.m.

CVE-2022-31630

2022-11-1407:15:09
CWE-190
CWE-125
CWE-131
web.nvd.nist.gov
8
php version
imageloadfont function
gd extension
specially crafted font files
disclosure of confidential information
vulnerability

CVSS3

7.1

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

0.001

Percentile

34.3%

In PHP versions prior to 7.4.33, 8.0.25 and 8.1.12, when using imageloadfont() function in gd extension, it is possible to supply a specially crafted font file, such as if the loaded font is used with imagechar() function, the read outside allocated buffer will be used. This can lead to crashes or disclosure of confidential information.

Affected configurations

Nvd
Node
phpphpRange7.4.07.4.33
OR
phpphpRange8.0.08.0.25
OR
phpphpRange8.1.08.1.12

CVSS3

7.1

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

0.001

Percentile

34.3%