CVE-2023-47100

2023-12-0223:15:07

Alpine Linux Development Team

security.alpinelinux.org

perl

regcomp.c

unallocated space

s_parse_uniprop_string

property name

regular expression

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7 High

AI Score

Confidence

Low

7.5 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

0.001 Low

EPSS

Percentile

26.5%

JSON

In Perl before 5.38.2, S_parse_uniprop_string in regcomp.c can write to unallocated space because a property name associated with a \p{…} regular expression construct is mishandled. The earliest affected version is 5.30.0.

OSVersionArchitecturePackageVersionFilename
Alpine3.18-mainnoarchperl= 5.36.2-r0UNKNOWN
Alpine3.17-mainnoarchperl= 5.36.2-r0UNKNOWN
Alpine3.16-mainnoarchperl= 5.34.2-r0UNKNOWN