CVE-2014-8146 | BDVDB-2026-69539 Detail
Description#
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.
Impact#
No impact statement in the source data.
Weaknesses#
No weakness recorded in the source data.
References#
- https://support.apple.com/HT205221
- https://raw.githubusercontent.com/pedrib/PoC/master/generic/i-c-u-fail.txt
- http://bugs.icu-project.org/trac/changeset/37162
- https://support.apple.com/HT205212
- http://lists.apple.com/archives/security-announce/2015/Sep/msg00008.html
- http://www.oracle.com/technetwork/topics/security/cpuoct2015-2367953.html
- https://security.gentoo.org/glsa/201507-04
- http://www.kb.cert.org/vuls/id/602540
- https://support.apple.com/HT205267
- http://seclists.org/fulldisclosure/2015/May/14
- http://lists.apple.com/archives/security-announce/2015/Sep/msg00005.html
- http://lists.apple.com/archives/security-announce/2015/Sep/msg00003.html
- http://openwall.com/lists/oss-security/2015/05/05/6
- https://support.apple.com/HT205213
- http://www.securityfocus.com/bid/74457
Exploit#
No public exploit known
History#
- Version 1Record published in the CVE List.
- Version 2Most recent update recorded in the CVE List.