Mozilla Firefox/Thunderbird up to 17.0 toString information disclosure

CVSS Meta Temp Score
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CTI Interest Score
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3.4$0-$5k0.00

Summaryinfo

A vulnerability was found in Mozilla Firefox and Thunderbird up to 17.0. It has been classified as critical. The affected element is the function toString. Performing a manipulation results in information disclosure. This vulnerability is cataloged as CVE-2013-0748. It is possible to initiate the attack remotely. Furthermore, there is an exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as problematic has been found in Mozilla Firefox and Thunderbird up to 17.0 (Web Browser). This affects the function toString. The manipulation with an unknown input leads to a information disclosure vulnerability. CWE is classifying the issue as CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. This is going to have an impact on confidentiality. The summary by CVE is:

The XBL.__proto__.toString implementation in Mozilla Firefox before 18.0, Firefox ESR 10.x before 10.0.12 and 17.x before 17.0.2, Thunderbird before 17.0.2, Thunderbird ESR 10.x before 10.0.12 and 17.x before 17.0.2, and SeaMonkey before 2.15 makes it easier for remote attackers to bypass the ASLR protection mechanism by calling the toString function of an XBL object.

The weakness was shared 01/08/2013 by Jesse Ruderman (regenrecht) with Mozilla Corporation as MFSA 2013-11 as confirmed advisory (Website). It is possible to read the advisory at mozilla.org. The vendor cooperated in the coordination of the public release. This vulnerability is uniquely identified as CVE-2013-0748 since 01/02/2013. The exploitability is told to be difficult. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details and a private exploit are known. The attack technique deployed by this issue is T1592 according to MITRE ATT&CK.

It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 63431 (CentOS 5 / 6 : firefox / xulrunner (CESA-2013:0144)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CentOS Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 120795 (Red Hat Update for Xulrunner Firefox (RHSA-2013:0144)).

Upgrading to version 18.0 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 X-Force (81800), Tenable (63431), SecurityFocus (BID 57185†), OSVDB (89016†) and Secunia (SA51752†). The entries VDB-7280, VDB-7281, VDB-7282 and VDB-7283 are related to this item. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.7
VulDB Meta Temp Score: 3.4

VulDB Base Score: 3.7
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Private
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 63431
Nessus Name: CentOS 5 / 6 : firefox / xulrunner (CESA-2013:0144)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 881565
OpenVAS Name: CentOS Update for firefox CESA-2013:0144 centos5
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: Firefox/Thunderbird 18.0

Timelineinfo

01/02/2013 🔍
01/08/2013 +6 days 🔍
01/08/2013 +0 days 🔍
01/08/2013 +0 days 🔍
01/08/2013 +0 days 🔍
01/09/2013 +1 days 🔍
01/09/2013 +0 days 🔍
01/10/2013 +1 days 🔍
01/13/2013 +3 days 🔍
01/17/2013 +4 days 🔍
04/20/2021 +3015 days 🔍

Sourcesinfo

Vendor: mozilla.org
Product: mozilla.org

Advisory: MFSA 2013-11
Researcher: Jesse Ruderman (regenrecht)
Organization: Mozilla Corporation
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2013-0748 (🔍)
GCVE (CVE): GCVE-0-2013-0748
GCVE (VulDB): GCVE-100-7299

OVAL: 🔍

X-Force: 81800 - Oracle Java Runtime Environment CVE-2013-0438 information disclosure, Medium Risk
SecurityFocus: 57185 - RETIRED: Mozilla Firefox/Thunderbird/SeaMonkey MFSA 2013-01 through -20 Multiple Vulnerabilities
Secunia: 51752 - Mozilla Firefox / Thunderbird / SeaMonkey Multiple Vulnerabilities, Highly Critical
OSVDB: 89016
SecurityTracker: 1027955 - Mozilla Firefox Multiple Bugs Let Remote Users Execute Arbitrary Code, Spoof URLs, and Bypass Same-Origin Policy
Vulnerability Center: 38107 - Mozilla Firefox, Thunderbird and SeaMonkey ASLR Protection Bypass Vulnerability - CVE-2013-0748, Medium

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

Entryinfo

Created: 01/10/2013 17:34
Updated: 04/20/2021 18:01
Changes: 01/10/2013 17:34 (91), 01/31/2018 09:54 (4), 04/20/2021 18:01 (2)
Complete: 🔍
Committer:
Cache ID: 216:A12:103

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