locale_fuzzer: Stack-buffer-overflow in ulocimp_toLanguageTag_71

2022-12-0100:00:00

Google

osv.dev

locale_fuzzer

stack-buffer-overflow

ulocimp_tolanguagetag_71

localelistcache.cpp

out of bounds read

remote code execution

software

CVSS3

9.8

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

AI Score

7.7

Confidence

High

EPSS

0.001

Percentile

46.7%

JSON

In toLanguageTag of LocaleListCache.cpp, there is a possible out of bounds read due to an incorrect bounds check. This could lead to remote code execution with no additional execution privileges needed. User interaction is not needed for exploitation.