high7.5Public exploit code
CVE-2014-8146
The resolveImplicitLevels function in common/ubidi.c in the Unicode Bidirectional Algorithm implementation in ICU4C in International Components for Unicode (IC…
Public exploit code
Working exploit or proof of concept code has been published for this vulnerability. Treat unpatched systems as at risk.
- ICU library 52 < 54 - Multiple Vulnerabilities2015-06-10 · local · multiple
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Apple | Itunes | through 12.1.3 |
| Apple | Iphone Os | through 8.2 |
| Apple | Mac Os X | through 10.10.4 |
| Apple | Watchos | through 1.0.1 |
| Icu-Project | International Components For Unicode | before 55.1 |
Weakness classification
References
- NVD record
- CVE.org record
- http://bugs.icu-project.org/trac/changeset/37162
- http://lists.apple.com/archives/security-announce/2015/Sep/msg00001.html
- http://lists.apple.com/archives/security-announce/2015/Sep/msg00003.html
- http://lists.apple.com/archives/security-announce/2015/Sep/msg00005.html
- http://lists.apple.com/archives/security-announce/2015/Sep/msg00008.html
- http://openwall.com/lists/oss-security/2015/05/05/6
- http://seclists.org/fulldisclosure/2015/May/14
- 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.oracle.com/technetwork/topics/security/cpuoct2015-2367953.html
- http://www.securityfocus.com/bid/74457
- https://raw.githubusercontent.com/pedrib/PoC/master/generic/i-c-u-fail.txt
- 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
- https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html
- http://bugs.icu-project.org/trac/changeset/37162
- http://lists.apple.com/archives/security-announce/2015/Sep/msg00001.html
- http://lists.apple.com/archives/security-announce/2015/Sep/msg00003.html
- http://lists.apple.com/archives/security-announce/2015/Sep/msg00005.html
- http://lists.apple.com/archives/security-announce/2015/Sep/msg00008.html
- http://openwall.com/lists/oss-security/2015/05/05/6