Mozilla Firefox/Thunderbird 24.0 Worker::SetEventListener memory corruption

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.
9.5$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in Mozilla Firefox and Thunderbird 24.0. This vulnerability affects the function Worker::SetEventListener. The manipulation results in memory corruption. This vulnerability was named CVE-2013-5602. The attack may be performed from remote. There is no available exploit. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Mozilla Firefox and Thunderbird 24.0 (Web Browser). It has been classified as very critical. Affected is the function Worker::SetEventListener. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

The Worker::SetEventListener function in the Web workers implementation in Mozilla Firefox before 25.0, Firefox ESR 17.x before 17.0.10 and 24.x before 24.1, Thunderbird before 24.1, Thunderbird ESR 17.x before 17.0.10, and SeaMonkey before 2.22 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via vectors related to direct proxies.

The weakness was presented 10/29/2013 by Nils as Mozilla Foundation Security Advisory 2013-101 as confirmed advisory (Website). The advisory is available at mozilla.org. The public release was coordinated in cooperation with the vendor. This vulnerability is traded as CVE-2013-5602 since 08/26/2013. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 11/25/2025).

The vulnerability scanner Nessus provides a plugin with the ID 70688 (CentOS 5 / 6 : firefox (CESA-2013:1476)), 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 121562 (Red Hat Update for Xulrunner Firefox (RHSA-2013:1476)).

Upgrading to version 25.0 eliminates this vulnerability. The upgrade is hosted for download at mozilla.org. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (70688), SecurityFocus (BID 63405†), OSVDB (99094†), Secunia (SA55483†) and Vulnerability Center (SBV-42134†). Further details are available at mozilla.org. See VDB-11046, VDB-11047, VDB-11048 and VDB-11049 for similar entries. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Affected

  • Firefox 24.0
  • Thunderbird 24.0
  • SeaMonkey 2.21
  • Firefox ESR 24.0
  • Firefox ESR 17.0.9
  • Thunderbird ESR 17.0.9

Productinfo

Type

Vendor

Name

Version

License

Website

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

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

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: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 70688
Nessus Name: CentOS 5 / 6 : firefox (CESA-2013:1476)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 892788
OpenVAS Name: Debian Security Advisory DSA 2788-1 (iceweasel - several vulnerabilities
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 25.0

Timelineinfo

08/26/2013 🔍
10/29/2013 +64 days 🔍
10/29/2013 +0 days 🔍
10/29/2013 +0 days 🔍
10/30/2013 +1 days 🔍
10/30/2013 +0 days 🔍
10/30/2013 +0 days 🔍
11/01/2013 +2 days 🔍
11/25/2025 +4407 days 🔍

Sourcesinfo

Vendor: mozilla.org
Product: mozilla.org

Advisory: Mozilla Foundation Security Advisory 2013-101
Researcher: Nils
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2013-5602 (🔍)
GCVE (CVE): GCVE-0-2013-5602
GCVE (VulDB): GCVE-100-11058

OVAL: 🔍
IAVM: 🔍

SecurityFocus: 63405
Secunia: 55483 - Ubuntu update for firefox, Highly Critical
OSVDB: 99094
Vulnerability Center: 42134 - Mozilla Firefox, Thunderbird and Seamonkey Remote Code Execution an DoS due to Memory Corruption (CVE-2013-5602), Critical

Misc.: 🔍
See also: 🔍

Entryinfo

Created: 11/01/2013 10:43
Updated: 11/25/2025 19:00
Changes: 11/01/2013 10:43 (52), 01/31/2018 09:55 (35), 06/01/2021 15:25 (2), 11/25/2025 19:00 (15)
Complete: 🔍
Committer:
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Want to know what is going to be exploited?

We predict KEV entries!