Apple Safari up to 3.2.3 feed URI memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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6.6$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in Apple Safari up to 3.2.3. Impacted is an unknown function of the component feed URI Handler. Executing a manipulation can lead to memory corruption. This vulnerability is handled as CVE-2008-3529. Additionally, an exploit exists. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Apple Safari up to 3.2.3 (Web Browser). It has been declared as critical. This vulnerability affects an unknown function of the component feed URI Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Heap-based buffer overflow in the xmlParseAttValueComplex function in parser.c in libxml2 before 2.7.0 allows context-dependent attackers to cause a denial of service (crash) or execute arbitrary code via a long XML entity name.

The weakness was released 05/13/2009 by Billy Rios Alfredo Melloni with Red Hat as HT3550 as confirmed advisory (Website). The advisory is shared for download at support.apple.com. This vulnerability was named CVE-2008-3529 since 08/07/2008. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details are unknown but a public exploit is available.

It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept. As 0-day the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 67167 (Solaris 9 (sparc) : 127681-07), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Solaris Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 115942 (Red Hat libxml2 Security Update (RHSA-2008:0884-3)).

Upgrading eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at support.apple.com. The best possible mitigation is suggested to be upgrading to the latest version. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (45085), Exploit-DB (8798), Tenable (67167), SecurityFocus (BID 31126†) and OSVDB (48158†). Entries connected to this vulnerability are available at VDB-3977, VDB-3975, VDB-21466 and VDB-48177. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.6

VulDB Base Score: 7.3
VulDB Temp Score: 6.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 67167
Nessus Name: Solaris 9 (sparc) : 127681-07
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 61776
OpenVAS Name: Debian Security Advisory DSA 1654-1 (libxml2)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍
Patch: support.apple.com

Timelineinfo

08/07/2008 🔍
09/11/2008 +35 days 🔍
09/11/2008 +0 days 🔍
09/12/2008 +1 days 🔍
09/12/2008 +0 days 🔍
10/14/2008 +31 days 🔍
05/13/2009 +211 days 🔍
05/19/2009 +6 days 🔍
07/03/2013 +1506 days 🔍
11/30/2024 +4168 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT3550
Researcher: Billy Rios Alfredo Melloni
Organization: Red Hat
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2008-3529 (🔍)
GCVE (CVE): GCVE-0-2008-3529
GCVE (VulDB): GCVE-100-3976

OVAL: 🔍

X-Force: 45085 - Libxml2 entity names buffer overflow, High Risk
SecurityFocus: 31126 - libxml XML Entity Name Heap Buffer Overflow Vulnerability
Secunia: 35056 - Apple Safari Multiple Vulnerabilities, Highly Critical
OSVDB: 48158 - libxml2 parser.c xmlParseAttValueComplex Function XML Entity Name Handling DoS
SecurityTracker: 1020855
Vupen: ADV-2009-1298

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 05/19/2009 15:22
Updated: 11/30/2024 14:54
Changes: 05/19/2009 15:22 (101), 11/30/2024 14:54 (17)
Complete: 🔍
Cache ID: 216:201:103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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