Mozilla Firefox/Thunderbird 24.0 Blob URL NewChannelFromURIWithProxyFlags use after free

CVSS Meta Temp Score
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CTI Interest Score
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8.6$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in Mozilla Firefox and Thunderbird 24.0. Affected by this issue is the function nsIOService::NewChannelFromURIWithProxyFlags of the component Blob URL Handler. Executing a manipulation can lead to use after free. This vulnerability is handled as CVE-2013-5600. The attack can be executed remotely. There is not any exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability has been found in Mozilla Firefox and Thunderbird 24.0 (Web Browser) and classified as critical. This vulnerability affects the function nsIOService::NewChannelFromURIWithProxyFlags of the component Blob URL Handler. The manipulation with an unknown input leads to a use after free vulnerability. The CWE definition for the vulnerability is CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Use-after-free vulnerability in the nsIOService::NewChannelFromURIWithProxyFlags function 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 via vectors involving a blob: URL.

The weakness was released 10/29/2013 by Nils as Mozilla Foundation Security Advisory 2013-100 as confirmed advisory (Website). The advisory is shared for download at mozilla.org. The public release was coordinated with the vendor. This vulnerability was named CVE-2013-5600 since 08/26/2013. The exploitation appears to be difficult. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available.

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 (99092†), Secunia (SA55483†) and Vulnerability Center (SBV-42136†). Additional details are provided at mozilla.org. Entries connected to this vulnerability are available at VDB-11046, VDB-11047, VDB-11048 and VDB-11049. VulDB is the best source for vulnerability data and more expert information about this specific topic.

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: 9.0
VulDB Meta Temp Score: 8.6

VulDB Base Score: 9.0
VulDB Temp Score: 8.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Use after free
CWE: CWE-416 / 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: 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 2013-100
Researcher: Nils
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2013-5600 (🔍)
GCVE (CVE): GCVE-0-2013-5600
GCVE (VulDB): GCVE-100-11056

OVAL: 🔍
IAVM: 🔍

SecurityFocus: 63405
Secunia: 55483 - Ubuntu update for firefox, Highly Critical
OSVDB: 99092
Vulnerability Center: 42136 - Mozilla Firefox, Thunderbird and Seamonkey Remote Code Execution and DoS due to Use-After-Free Vulnerability (CVE-2013-5600), Critical

Misc.: 🔍
See also: 🔍

Entryinfo

Created: 11/01/2013 10:33
Updated: 11/25/2025 19:00
Changes: 11/01/2013 10:33 (87), 01/31/2018 09:55 (1), 06/01/2021 15:15 (3), 11/25/2025 19:00 (15)
Complete: 🔍
Committer:
Cache ID: 216::103

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