CVE-2009-0153

icu: XSS vulnerability due to improper invalid byte sequence handling

Severity Score

6.1

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

International Components for Unicode (ICU) 4.0, 3.6, and other 3.x versions, as used in Apple Mac OS X 10.5 before 10.5.7, iPhone OS 1.0 through 2.2.1, iPhone OS for iPod touch 1.1 through 2.2.1, Fedora 9 and 10, and possibly other operating systems, does not properly handle invalid byte sequences during Unicode conversion, which might allow remote attackers to conduct cross-site scripting (XSS) attacks.

International Components para Unicode (ICU) en Apple Mac OS X v10.5 antes de v10.5.7 no maneja correctamente las secuencias de bytes no válidos durante la conversión a Unicode, lo cual podría permitir a atacantes remotos realizar ataques de secuencias de comandos en sitios cruzados (XSS).

It was discovered that ICU did not properly handle invalid byte sequences during Unicode conversion. If an application using ICU processed crafted data, content security mechanisms could be bypassed, potentially leading to cross-site scripting (XSS) attacks.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

None

Integrity

Partial

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2009-01-16 CVE Reserved
2009-05-13 CVE Published
2024-08-07 CVE Updated
2025-05-16 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CAPEC

References (25)

URL	Tag	Source
http://bugs.icu-project.org/trac/ticket/5691	X_refsource_confirm
http://secunia.com/advisories/35074	Third Party Advisory
http://secunia.com/advisories/35379	Third Party Advisory
http://secunia.com/advisories/35436	Third Party Advisory
http://secunia.com/advisories/35498	Third Party Advisory
http://secunia.com/advisories/35584	Third Party Advisory
http://support.apple.com/kb/HT3613	X_refsource_confirm
http://support.apple.com/kb/HT3639	X_refsource_confirm
http://www.securityfocus.com/bid/34926	Vdb Entry
http://www.securityfocus.com/bid/34974	Vdb Entry
http://www.us-cert.gov/cas/techalerts/TA09-133A.html	Third Party Advisory
http://www.vupen.com/english/advisories/2009/1297	Vdb Entry
http://www.vupen.com/english/advisories/2009/1522	Vdb Entry
http://www.vupen.com/english/advisories/2009/1621	Vdb Entry
https://exchange.xforce.ibmcloud.com/vulnerabilities/50488	Vdb Entry
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11366	Signature

URL	Date	SRC

URL	Date	SRC
http://lists.apple.com/archives/security-announce/2009/May/msg00002.html	2017-09-29
http://support.apple.com/kb/HT3549	2017-09-29

URL	Date	SRC
http://lists.apple.com/archives/security-announce/2009/Jun/msg00005.html	2017-09-29
http://lists.apple.com/archives/security-announce/2009/jun/msg00002.html	2017-09-29
http://www.redhat.com/support/errata/RHSA-2009-1122.html	2017-09-29
https://bugzilla.redhat.com/show_bug.cgi?id=503071	2009-06-25
https://www.redhat.com/archives/fedora-package-announce/2009-June/msg00336.html	2017-09-29
https://www.redhat.com/archives/fedora-package-announce/2009-June/msg00478.html	2017-09-29
https://access.redhat.com/security/cve/CVE-2009-0153	2009-06-25

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Apple Search vendor "Apple"		Mac Os X Search vendor "Apple" for product "Mac Os X"				10.5.0 Search vendor "Apple" for product "Mac Os X" and version "10.5.0"		-		Affected
Apple Search vendor "Apple"		Mac Os X Search vendor "Apple" for product "Mac Os X"				10.5.1 Search vendor "Apple" for product "Mac Os X" and version "10.5.1"		-		Affected
Apple Search vendor "Apple"		Mac Os X Search vendor "Apple" for product "Mac Os X"				10.5.2 Search vendor "Apple" for product "Mac Os X" and version "10.5.2"		-		Affected
Apple Search vendor "Apple"		Mac Os X Search vendor "Apple" for product "Mac Os X"				10.5.3 Search vendor "Apple" for product "Mac Os X" and version "10.5.3"		-		Affected
Apple Search vendor "Apple"		Mac Os X Search vendor "Apple" for product "Mac Os X"				10.5.4 Search vendor "Apple" for product "Mac Os X" and version "10.5.4"		-		Affected
Apple Search vendor "Apple"		Mac Os X Search vendor "Apple" for product "Mac Os X"				10.5.5 Search vendor "Apple" for product "Mac Os X" and version "10.5.5"		-		Affected
Apple Search vendor "Apple"		Mac Os X Search vendor "Apple" for product "Mac Os X"				10.5.6 Search vendor "Apple" for product "Mac Os X" and version "10.5.6"		-		Affected
Apple Search vendor "Apple"		Mac Os X Server Search vendor "Apple" for product "Mac Os X Server"				10.5.0 Search vendor "Apple" for product "Mac Os X Server" and version "10.5.0"		-		Affected
Apple Search vendor "Apple"		Mac Os X Server Search vendor "Apple" for product "Mac Os X Server"				10.5.1 Search vendor "Apple" for product "Mac Os X Server" and version "10.5.1"		-		Affected
Apple Search vendor "Apple"		Mac Os X Server Search vendor "Apple" for product "Mac Os X Server"				10.5.2 Search vendor "Apple" for product "Mac Os X Server" and version "10.5.2"		-		Affected
Apple Search vendor "Apple"		Mac Os X Server Search vendor "Apple" for product "Mac Os X Server"				10.5.3 Search vendor "Apple" for product "Mac Os X Server" and version "10.5.3"		-		Affected
Apple Search vendor "Apple"		Mac Os X Server Search vendor "Apple" for product "Mac Os X Server"				10.5.4 Search vendor "Apple" for product "Mac Os X Server" and version "10.5.4"		-		Affected
Apple Search vendor "Apple"		Mac Os X Server Search vendor "Apple" for product "Mac Os X Server"				10.5.5 Search vendor "Apple" for product "Mac Os X Server" and version "10.5.5"		-		Affected
Apple Search vendor "Apple"		Mac Os X Server Search vendor "Apple" for product "Mac Os X Server"				10.5.6 Search vendor "Apple" for product "Mac Os X Server" and version "10.5.6"		-		Affected