Apple Safari 5.1.7 parser/XSSAuditor.cpp cross site scripting

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
3.9$0-$5k0.00

Summaryinfo

A vulnerability was found in Apple Safari 5.1.7. It has been classified as problematic. Affected by this vulnerability is an unknown functionality of the file parser/XSSAuditor.cpp. Performing a manipulation results in cross site scripting. This vulnerability was named CVE-2012-5851. The attack may be initiated remotely. In addition, an exploit is available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Apple Safari 5.1.7 (Web Browser). It has been classified as problematic. This affects an unknown code block of the file parser/XSSAuditor.cpp. The manipulation with an unknown input leads to a cross site scripting vulnerability. CWE is classifying the issue as CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. This is going to have an impact on integrity. The summary by CVE is:

html/parser/XSSAuditor.cpp in WebCore in WebKit, as used in Google Chrome through 22 and Safari 5.1.7, does not consider all possible output contexts of reflected data, which makes it easier for remote attackers to bypass a cross-site scripting (XSS) protection mechanism via a crafted string, aka rdar problem 12019108.

The weakness was presented 08/02/2012 by Tushar Dalvi with Fundstone Labs as simple-cross-site-scripting-vector-that as not defined blog post (Blog). It is possible to read the advisory at blog.opensecurityresearch.com. The vendor was not involved in the public release. This vulnerability is uniquely identified as CVE-2012-5851 since 11/08/2012. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. Technical details and a public exploit are known. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.

The exploit is shared for download at exploit-db.com. It is declared as proof-of-concept. We expect the 0-day to have been worth approximately $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 802499 , which helps to determine the existence of the flaw in a target environment.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (80072), Exploit-DB (38024), Tenable (802499), SecurityFocus (BID 56570†) and OSVDB (87520†). See VDB-6964 for similar entry. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 3.9

VulDB Base Score: 4.3
VulDB Temp Score: 3.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
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: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 802499

OpenVAS ID: 803108
OpenVAS Name: Apple Safari Webcore Webkit XSSAuditor.cpp XSS Vulnerability (Mac OS X)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

07/19/2012 🔍
08/02/2012 +14 days 🔍
11/08/2012 +98 days 🔍
11/15/2012 +7 days 🔍
11/16/2012 +1 days 🔍
11/19/2012 +3 days 🔍
06/01/2025 +4577 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: simple-cross-site-scripting-vector-that
Researcher: Tushar Dalvi
Organization: Fundstone Labs
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2012-5851 (🔍)
GCVE (CVE): GCVE-0-2012-5851
GCVE (VulDB): GCVE-100-6963
X-Force: 80072 - WebKit WebCore security bypass, Medium Risk
SecurityFocus: 56570
OSVDB: 87520

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

Entryinfo

Created: 11/19/2012 10:19
Updated: 06/01/2025 05:13
Changes: 11/19/2012 10:19 (64), 05/01/2018 12:40 (6), 06/01/2025 05:13 (29)
Complete: 🔍
Committer: olku
Cache ID: 216:B90:103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Do you want to use VulDB in your project?

Use the official API to access entries easily!