Apple Safari up to 5.1.7 WebKit memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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9.5$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Apple Safari up to 5.1.7. Affected by this vulnerability is an unknown functionality of the component WebKit. This manipulation causes memory corruption. This vulnerability is tracked as CVE-2012-1520. No exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as very critical was found in Apple Safari up to 5.1.7 (Web Browser). Affected by this vulnerability is an unknown functionality of the component WebKit. 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. The summary by CVE is:

WebKit, as used in Apple Safari before 6.0, allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted web site, a different vulnerability than other WebKit CVEs listed in APPLE-SA-2012-07-25-1.

The weakness was disclosed 07/25/2012 by Martin Barbella and Jose A. Vazquez (Slawomir Blazek) with Google Chrome Security Team & iDefense Labs VCP as HT5400 as confirmed knowledge base article (Apple Security Announce). The advisory is shared at support.apple.com. The public release has been coordinated in cooperation with Apple. This vulnerability is known as CVE-2012-1520 since 03/08/2012. The exploitation appears to be difficult. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 04/27/2018).

The vulnerability scanner Nessus provides a plugin with the ID 62077 (Apple iTunes < 10.7 Multiple Vulnerabilities (credentialed check)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 120376 (Apple Safari Multiple Vulnerabilities (APPLE-SA-2012-07-25-1)).

Upgrading to version 6 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (62077), SecurityFocus (BID 51041†), OSVDB (84140†), Secunia (SA50058†) and SecurityTracker (ID 1027307†). The entries VDB-4460, VDB-4459, VDB-4461 and VDB-4464 are pretty similar. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 10.0
VulDB Meta Temp Score: 9.5

VulDB Base Score: 10.0
VulDB Temp Score: 9.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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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: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 62077
Nessus Name: Apple iTunes < 10.7 Multiple Vulnerabilities (credentialed check)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 802962
OpenVAS Name: Apple iTunes Multiple Vulnerabilities - Sep 12 (Windows)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: Safari 6

Timelineinfo

03/08/2012 🔍
07/25/2012 +139 days 🔍
07/25/2012 +0 days 🔍
07/25/2012 +0 days 🔍
07/26/2012 +1 days 🔍
07/26/2012 +0 days 🔍
07/27/2012 +1 days 🔍
07/31/2012 +4 days 🔍
09/13/2012 +44 days 🔍
04/27/2018 +2052 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT5400
Researcher: Martin Barbella , Jose A. Vazquez (Slawomir Blazek)
Organization: Google Chrome Security Team & iDefense Labs VCP
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2012-1520 (🔍)
GCVE (CVE): GCVE-0-2012-1520
GCVE (VulDB): GCVE-100-5797

OVAL: 🔍

SecurityFocus: 51041
Secunia: 50058 - Apple Safari for Mac OS X Multiple Vulnerabilities, Highly Critical
OSVDB: 84140
SecurityTracker: 1027307

See also: 🔍

Entryinfo

Created: 07/31/2012 18:00
Updated: 04/27/2018 09:29
Changes: 07/31/2012 18:00 (76), 04/27/2018 09:29 (8)
Complete: 🔍
Cache ID: 216::103

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