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ubuntucveUbuntu.comUB:CVE-2023-47100
HistoryDec 02, 2023 - 12:00 a.m.

CVE-2023-47100

2023-12-0200:00:00
ubuntu.com
ubuntu.com
43
perl
5.38.2
s_parse_uniprop_string
regular expression
unallocated space
write
cve-2023-47100

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

6.9 Medium

AI Score

Confidence

High

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%

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.

Notes

Author Note
sbeattie duplicate of CVE-2023-47038
mdeslaur marking as not-affected since it is a dupe

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

6.9 Medium

AI Score

Confidence

High

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%