CVE-2014-8147

The resolveImplicitLevels function in common/ubidi.c in the Unicode Bidirectional Algorithm implementation in ICU4C in International Components for Unicode (ICU) before 55.1 uses an integer data type that is inconsistent with a header file, which allows remote attackers to cause a denial of service (incorrect malloc followed by invalid free) or possibly execute arbitrary code via crafted text.

CVSS v2.0

7.5 HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P

EPSS

23.35% chance of exploitation in the next 30 days, 98th percentile

Published

2015-05-25

Updated

2024-08-06

Proof-of-concept exploits (2)

• http://seclists.org/fulldisclosure/2015/May/14
• https://raw.githubusercontent.com/pedrib/PoC/master/generic/i-c-u-fail.txt

ExploitDB entries (1)

• https://www.exploit-db.com/exploits/43887

References

• CVE Record
• NVD entry

Related

• CVE-2014-8146
• CVE-2014-8270
• CVE-2014-8145
• CVE-2014-8272
• CVE-2014-8142
• CVE-2014-8275