Vulnerability Monitor

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CVE-2011-1344

Use-after-free vulnerability in WebKit, as used in Apple Safari before 5.0.5; iOS before 4.3.2 for iPhone, iPod, and iPad; iOS before 4.2.7 for iPhone 4 (CDMA); and possibly other products allows remote attackers to execute arbitrary code by adding children to a WBR tag and then removing the tag, related to text nodes, as demonstrated by Chaouki Bekrar during a Pwn2Own competition at CanSecWest 2011.

Security Impact Summary

CVE-2011-1344 is a security vulnerability that . Impacting 5 products from apple, from apple, from apple and 2 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

Documented in 2011, this vulnerability occurred amid the cloud computing expansion era, where traditional network perimeter security models were being reevaluated. Organizations were transitioning from isolated infrastructure to interconnected systems, creating new attack surfaces that vulnerabilities like this could exploit.

Published

2011-03-10T20:55:01.280

Last Modified

2025-04-11T00:51:21.963

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 6.8 (MEDIUM)

CVSSv2 Vector

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

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

Exploitability Score

8.6

Impact Score

6.4

Weaknesses

Type: Primary
CWE-399

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	apple	safari	≤ 5.0.4	Yes
Application	apple	safari	1.0	Yes
Application	apple	safari	1.0	Yes
Application	apple	safari	1.0	Yes
Application	apple	safari	1.0.0	Yes
Application	apple	safari	1.0.0b1	Yes
Application	apple	safari	1.0.0b2	Yes
Application	apple	safari	1.0.1	Yes
Application	apple	safari	1.0.2	Yes
Application	apple	safari	1.0.3	Yes
Application	apple	safari	1.0.3	Yes
Application	apple	safari	1.0.3	Yes
Application	apple	safari	1.1	Yes
Application	apple	safari	1.1.0	Yes
Application	apple	safari	1.1.1	Yes
Application	apple	safari	1.2	Yes
Application	apple	safari	1.2.0	Yes
Application	apple	safari	1.2.1	Yes
Application	apple	safari	1.2.2	Yes
Application	apple	safari	1.2.3	Yes
Application	apple	safari	1.2.4	Yes
Application	apple	safari	1.2.5	Yes
Application	apple	safari	1.3	Yes
Application	apple	safari	1.3.0	Yes
Application	apple	safari	1.3.1	Yes
Application	apple	safari	1.3.2	Yes
Application	apple	safari	1.3.2	Yes
Application	apple	safari	1.3.2	Yes
Application	apple	safari	2	Yes
Application	apple	safari	2.0	Yes
Application	apple	safari	2.0.0	Yes
Application	apple	safari	2.0.1	Yes
Application	apple	safari	2.0.2	Yes
Application	apple	safari	2.0.3	Yes
Application	apple	safari	2.0.3	Yes
Application	apple	safari	2.0.3	Yes
Application	apple	safari	2.0.3	Yes
Application	apple	safari	2.0.3	Yes
Application	apple	safari	2.0.4	Yes
Application	apple	safari	3	Yes
Application	apple	safari	3.0	Yes
Application	apple	safari	3.0.0	Yes
Application	apple	safari	3.0.0b	Yes
Application	apple	safari	3.0.1	Yes
Application	apple	safari	3.0.1b	Yes
Application	apple	safari	3.0.2	Yes
Application	apple	safari	3.0.2b	Yes
Application	apple	safari	3.0.3	Yes
Application	apple	safari	3.0.3b	Yes
Application	apple	safari	3.0.4	Yes
Application	apple	safari	3.0.4b	Yes
Application	apple	safari	3.1.0	Yes
Application	apple	safari	3.1.0b	Yes
Application	apple	safari	3.1.1	Yes
Application	apple	safari	3.1.2	Yes
Application	apple	safari	3.2.0	Yes
Application	apple	safari	3.2.1	Yes
Application	apple	safari	3.2.2	Yes
Application	apple	safari	4.0	Yes
Application	apple	safari	4.0	Yes
Application	apple	safari	4.0.0b	Yes
Application	apple	safari	4.0.1	Yes
Application	apple	safari	4.0.2	Yes
Application	apple	safari	4.0.3	Yes
Application	apple	safari	4.0.4	Yes
Application	apple	safari	4.0.5	Yes
Application	apple	safari	4.1	Yes
Application	apple	safari	4.1.1	Yes
Application	apple	safari	4.1.2	Yes
Application	apple	safari	5.0	Yes
Application	apple	safari	5.0.1	Yes
Application	apple	safari	5.0.2	Yes
Operating System	apple	iphone_os	≤ 4.3.1	Yes
Operating System	apple	iphone_os	1.0.0	Yes
Operating System	apple	iphone_os	1.0.1	Yes
Operating System	apple	iphone_os	1.0.2	Yes
Operating System	apple	iphone_os	1.1.0	Yes
Operating System	apple	iphone_os	1.1.1	Yes
Operating System	apple	iphone_os	1.1.2	Yes
Operating System	apple	iphone_os	1.1.3	Yes
Operating System	apple	iphone_os	1.1.4	Yes
Operating System	apple	iphone_os	1.1.5	Yes
Operating System	apple	iphone_os	2.0	Yes
Operating System	apple	iphone_os	2.0.0	Yes
Operating System	apple	iphone_os	2.0.1	Yes
Operating System	apple	iphone_os	2.0.2	Yes
Operating System	apple	iphone_os	2.1	Yes
Operating System	apple	iphone_os	2.1.1	Yes
Operating System	apple	iphone_os	2.2	Yes
Operating System	apple	iphone_os	2.2.1	Yes
Operating System	apple	iphone_os	3.0	Yes
Operating System	apple	iphone_os	3.0.1	Yes
Operating System	apple	iphone_os	3.1	Yes
Operating System	apple	iphone_os	3.1.2	Yes
Operating System	apple	iphone_os	3.1.3	Yes
Operating System	apple	iphone_os	3.2	Yes
Operating System	apple	iphone_os	3.2.1	Yes
Operating System	apple	iphone_os	4.0	Yes
Operating System	apple	iphone_os	4.0.1	Yes
Operating System	apple	iphone_os	4.0.2	Yes
Operating System	apple	iphone_os	4.1	Yes
Operating System	apple	iphone_os	4.2	Yes
Operating System	apple	iphone_os	4.2.1	Yes
Operating System	apple	iphone_os	4.2.5	Yes
Operating System	apple	iphone_os	4.2.8	Yes
Operating System	apple	iphone_os	4.3.0	Yes
Hardware	apple	ipad	*	No
Hardware	apple	ipod_touch	*	No
Operating System	apple	iphone_os	*	No
Operating System	apple	iphone_os	≤ 4.2.5	Yes
Operating System	apple	iphone_os	1.0.0	Yes
Operating System	apple	iphone_os	1.0.1	Yes
Operating System	apple	iphone_os	1.0.2	Yes
Operating System	apple	iphone_os	1.1.0	Yes
Operating System	apple	iphone_os	1.1.1	Yes
Operating System	apple	iphone_os	1.1.2	Yes
Operating System	apple	iphone_os	1.1.3	Yes
Operating System	apple	iphone_os	1.1.4	Yes
Operating System	apple	iphone_os	1.1.5	Yes
Operating System	apple	iphone_os	2.0	Yes
Operating System	apple	iphone_os	2.0.0	Yes
Operating System	apple	iphone_os	2.0.1	Yes
Operating System	apple	iphone_os	2.0.2	Yes
Operating System	apple	iphone_os	2.1	Yes
Operating System	apple	iphone_os	2.1.1	Yes
Operating System	apple	iphone_os	2.2	Yes
Operating System	apple	iphone_os	2.2.1	Yes
Operating System	apple	iphone_os	3.0	Yes
Operating System	apple	iphone_os	3.0.1	Yes
Operating System	apple	iphone_os	3.1	Yes
Operating System	apple	iphone_os	3.1.2	Yes
Operating System	apple	iphone_os	3.1.3	Yes
Operating System	apple	iphone_os	3.2	Yes
Operating System	apple	iphone_os	3.2.1	Yes
Operating System	apple	iphone_os	3.2.2	Yes
Operating System	apple	iphone_os	4.0	Yes
Operating System	apple	iphone_os	4.0.1	Yes
Operating System	apple	iphone_os	4.0.2	Yes
Operating System	apple	iphone_os	4.1	Yes
Operating System	apple	iphone_os	4.2	Yes
Operating System	apple	iphone_os	4.2.1	Yes
Hardware	apple	iphone	4	No

References

http://dvlabs.tippingpoint.com/blog/2011/02/02/pwn2own-2011 ([email protected])
http://lists.apple.com/archives/security-announce/2011//Apr/msg00000.html ([email protected])
http://lists.apple.com/archives/security-announce/2011//Apr/msg00001.html ([email protected])
http://lists.apple.com/archives/security-announce/2011//Apr/msg00002.html ([email protected])
http://secunia.com/advisories/44151 ([email protected])
http://secunia.com/advisories/44154 ([email protected])
http://support.apple.com/kb/HT4596 ([email protected])
http://support.apple.com/kb/HT4607 ([email protected])
http://twitter.com/aaronportnoy/statuses/45632544967901187 ([email protected])
http://www.computerworld.com/s/article/9214002/Safari_IE_hacked_first_at_Pwn2Own ([email protected])
http://www.securityfocus.com/archive/1/517505/100/0/threaded ([email protected])
http://www.securityfocus.com/archive/1/517517/100/0/threaded ([email protected])
http://www.securityfocus.com/bid/46822 ([email protected])
http://www.securitytracker.com/id?1025363 ([email protected])
http://www.vupen.com/english/advisories/2011/0984 ([email protected])
http://www.zdnet.com/blog/security/safarimacbook-first-to-fall-at-pwn2own-2011/8358 ([email protected])
http://www.zerodayinitiative.com/advisories/ZDI-11-135 ([email protected])
https://exchange.xforce.ibmcloud.com/vulnerabilities/66061 ([email protected])
http://dvlabs.tippingpoint.com/blog/2011/02/02/pwn2own-2011 (af854a3a-2127-422b-91ae-364da2661108)
http://lists.apple.com/archives/security-announce/2011//Apr/msg00000.html (af854a3a-2127-422b-91ae-364da2661108)
http://lists.apple.com/archives/security-announce/2011//Apr/msg00001.html (af854a3a-2127-422b-91ae-364da2661108)
http://lists.apple.com/archives/security-announce/2011//Apr/msg00002.html (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/44151 (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/44154 (af854a3a-2127-422b-91ae-364da2661108)
http://support.apple.com/kb/HT4596 (af854a3a-2127-422b-91ae-364da2661108)
http://support.apple.com/kb/HT4607 (af854a3a-2127-422b-91ae-364da2661108)
http://twitter.com/aaronportnoy/statuses/45632544967901187 (af854a3a-2127-422b-91ae-364da2661108)
http://www.computerworld.com/s/article/9214002/Safari_IE_hacked_first_at_Pwn2Own (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/archive/1/517505/100/0/threaded (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/archive/1/517517/100/0/threaded (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/46822 (af854a3a-2127-422b-91ae-364da2661108)
http://www.securitytracker.com/id?1025363 (af854a3a-2127-422b-91ae-364da2661108)
http://www.vupen.com/english/advisories/2011/0984 (af854a3a-2127-422b-91ae-364da2661108)
http://www.zdnet.com/blog/security/safarimacbook-first-to-fall-at-pwn2own-2011/8358 (af854a3a-2127-422b-91ae-364da2661108)
http://www.zerodayinitiative.com/advisories/ZDI-11-135 (af854a3a-2127-422b-91ae-364da2661108)
https://exchange.xforce.ibmcloud.com/vulnerabilities/66061 (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For apple's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.