Mozilla Firefox/Thunderbird 24.0 Element select input validation

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.2 | $0-$5k | 0.00 |
Summary
A vulnerability has been found in Mozilla Firefox and Thunderbird 24.0 and classified as critical. Impacted is an unknown function of the component Element Handler. Performing a manipulation of the argument select results in input validation. This vulnerability is cataloged as CVE-2013-5593. It is possible to initiate the attack remotely. There is no exploit available. The affected component should be upgraded.
Details
A vulnerability was found in Mozilla Firefox and Thunderbird 24.0 (Web Browser). It has been classified as critical. This affects an unknown part of the component Element Handler. The manipulation of the argument select with an unknown input leads to a input validation vulnerability. CWE is classifying the issue as CWE-20. The product receives input or data, but it does
not validate or incorrectly validates that the input has the
properties that are required to process the data safely and
correctly. This is going to have an impact on confidentiality, and integrity. The summary by CVE is:
The SELECT element implementation in Mozilla Firefox before 25.0, Firefox ESR 24.x before 24.1, Thunderbird before 24.1, and SeaMonkey before 2.22 does not properly restrict the nature or placement of HTML within a dropdown menu, which allows remote attackers to spoof the address bar or conduct clickjacking attacks via vectors that trigger navigation off of a page containing this element.
The weakness was shared 10/29/2013 by Jordi Chancel as Mozilla Foundation Security Advisory 2013-94 as confirmed advisory (Website). The advisory is shared at mozilla.org. The vendor cooperated in the coordination of the public release. This vulnerability is uniquely identified as CVE-2013-5593 since 08/26/2013. 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 are known, but no exploit is available.
The vulnerability scanner Nessus provides a plugin with the ID 70701 (FreeBSD : mozilla -- multiple vulnerabilities (81f866ad-41a4-11e3-a4af-0025905a4771)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 195848 (Ubuntu Security Notification for Thunderbird Vulnerabilities (USN-2010-1)).
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 (70701), SecurityFocus (BID 63405†), OSVDB (99085†), Secunia (SA55489†) and Vulnerability Center (SBV-42132†). Further details are available at mozilla.org. The entries VDB-11046, VDB-11047, VDB-11048 and VDB-11050 are related to this item. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
Affected
- Firefox 24.0
- Thunderbird 24.0
- SeaMonkey 2.21
- Firefox ESR 24.0
Product
Type
Vendor
Name
Version
License
Website
- Vendor: https://www.mozilla.org/
- Product: https://www.mozilla.org/en-US/firefox/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.4VulDB Meta Temp Score: 5.2
VulDB Base Score: 5.4
VulDB Temp Score: 5.2
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Input validationCWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Nessus ID: 70701
Nessus Name: FreeBSD : mozilla -- multiple vulnerabilities (81f866ad-41a4-11e3-a4af-0025905a4771)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
OpenVAS ID: 803349
OpenVAS Name: Mozilla Firefox ESR Multiple Vulnerabilities-01 Nov13 (Windows)
OpenVAS File: 🔍
OpenVAS Family: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Upgrade: Firefox/Thunderbird 25.0
Timeline
08/26/2013 🔍10/29/2013 🔍
10/29/2013 🔍
10/29/2013 🔍
10/30/2013 🔍
10/30/2013 🔍
10/30/2013 🔍
10/31/2013 🔍
11/25/2025 🔍
Sources
Vendor: mozilla.orgProduct: mozilla.org
Advisory: Mozilla Foundation Security Advisory 2013-94
Researcher: Jordi Chancel
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍
CVE: CVE-2013-5593 (🔍)
GCVE (CVE): GCVE-0-2013-5593
GCVE (VulDB): GCVE-100-11049
OVAL: 🔍
IAVM: 🔍
SecurityFocus: 63405
Secunia: 55489 - Mozilla Firefox / Thunderbird / SeaMonkey Multiple Vulnerabilities, Highly Critical
OSVDB: 99085
Vulnerability Center: 42132 - Mozilla Firefox, Thunderbird and Seamonkey Remote Spoofing Vulnerability (CVE-2013-5593), Medium
Misc.: 🔍
See also: 🔍
Entry
Created: 10/31/2013 10:10Updated: 11/25/2025 19:00
Changes: 10/31/2013 10:10 (53), 01/31/2018 09:54 (35), 06/01/2021 14:45 (3), 11/25/2025 19:00 (15)
Complete: 🔍
Committer:
Cache ID: 216::103
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
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