CVE-2014-8146

The resolveImplicitLevels function in common/ubidi.c in the Unicode Bidirectional Algorithm implementation in ICU4C in International Components for Unicode (ICU) before 55.1 does not properly track directionally isolated pieces of text, which allows remote attackers to cause a denial of service (heap-based buffer overflow) or possibly execute arbitrary code via crafted text.

CVSS v2.0 NVD

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

EPSS

24.74% chance of exploitation in the next 30 days, 98th percentile

Published

2015-05-25

Updated

2024-08-06

Proof-of-concept exploits (1)

• http://seclists.org/fulldisclosure/2015/May/14

ExploitDB entries (1)

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

Security advisories

• http://bugs.icu-project.org/trac/changeset/37162
• http://www.debian.org/security/2015/dsa-3323
• http://www.kb.cert.org/vuls/id/602540
• http://www.oracle.com/technetwork/topics/security/bulletinoct2015-2511968.html
• http://www.securityfocus.com/bid/74457
• https://security.gentoo.org/glsa/201507-04
• https://support.apple.com/HT205212
• https://support.apple.com/HT205213
• https://support.apple.com/HT205221
• https://support.apple.com/HT205267
• http://www.oracle.com/technetwork/topics/security/cpuoct2015-2367953.html
• https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html

References

• CVE Record
• NVD entry