Vulnerability Monitor

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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.

Published

2015-05-25T22:59:00.067

Last Modified

2025-04-12T10:46:40.837

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 7.5 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:P/I:P/A:P

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

6.4

Weaknesses

Type: Primary
CWE-119

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	apple	itunes	≤ 12.1.3	Yes
Operating System	apple	iphone_os	≤ 8.2	Yes
Operating System	apple	mac_os_x	≤ 10.10.4	Yes
Operating System	apple	watchos	≤ 1.0.1	Yes
Application	icu-project	international_components_for_unicode	< 55.1	Yes

References

http://bugs.icu-project.org/trac/changeset/37162 Issue Tracking, Vendor Advisory ([email protected])
http://lists.apple.com/archives/security-announce/2015/Sep/msg00001.html Mailing List ([email protected])
http://lists.apple.com/archives/security-announce/2015/Sep/msg00003.html Mailing List ([email protected])
http://lists.apple.com/archives/security-announce/2015/Sep/msg00005.html Mailing List ([email protected])
http://lists.apple.com/archives/security-announce/2015/Sep/msg00008.html Mailing List ([email protected])
http://openwall.com/lists/oss-security/2015/05/05/6 Mailing List ([email protected])
http://seclists.org/fulldisclosure/2015/May/14 Exploit, Mailing List, Third Party Advisory ([email protected])
http://www.debian.org/security/2015/dsa-3323 Third Party Advisory ([email protected])
http://www.kb.cert.org/vuls/id/602540 Third Party Advisory, US Government Resource ([email protected])
http://www.oracle.com/technetwork/topics/security/bulletinoct2015-2511968.html Third Party Advisory ([email protected])
http://www.oracle.com/technetwork/topics/security/cpuoct2015-2367953.html Patch ([email protected])
http://www.securityfocus.com/bid/74457 Third Party Advisory, VDB Entry ([email protected])
https://raw.githubusercontent.com/pedrib/PoC/master/generic/i-c-u-fail.txt Exploit ([email protected])
https://security.gentoo.org/glsa/201507-04 Third Party Advisory ([email protected])
https://support.apple.com/HT205212 Third Party Advisory ([email protected])
https://support.apple.com/HT205213 Third Party Advisory ([email protected])
https://support.apple.com/HT205221 Third Party Advisory ([email protected])
https://support.apple.com/HT205267 Third Party Advisory ([email protected])
https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html ([email protected])
http://bugs.icu-project.org/trac/changeset/37162 Issue Tracking, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.apple.com/archives/security-announce/2015/Sep/msg00001.html Mailing List (af854a3a-2127-422b-91ae-364da2661108)
http://lists.apple.com/archives/security-announce/2015/Sep/msg00003.html Mailing List (af854a3a-2127-422b-91ae-364da2661108)
http://lists.apple.com/archives/security-announce/2015/Sep/msg00005.html Mailing List (af854a3a-2127-422b-91ae-364da2661108)
http://lists.apple.com/archives/security-announce/2015/Sep/msg00008.html Mailing List (af854a3a-2127-422b-91ae-364da2661108)
http://openwall.com/lists/oss-security/2015/05/05/6 Mailing List (af854a3a-2127-422b-91ae-364da2661108)
http://seclists.org/fulldisclosure/2015/May/14 Exploit, Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.debian.org/security/2015/dsa-3323 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.kb.cert.org/vuls/id/602540 Third Party Advisory, US Government Resource (af854a3a-2127-422b-91ae-364da2661108)
http://www.oracle.com/technetwork/topics/security/bulletinoct2015-2511968.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.oracle.com/technetwork/topics/security/cpuoct2015-2367953.html Patch (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/74457 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
https://raw.githubusercontent.com/pedrib/PoC/master/generic/i-c-u-fail.txt Exploit (af854a3a-2127-422b-91ae-364da2661108)
https://security.gentoo.org/glsa/201507-04 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://support.apple.com/HT205212 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://support.apple.com/HT205213 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://support.apple.com/HT205221 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://support.apple.com/HT205267 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html (af854a3a-2127-422b-91ae-364da2661108)