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Vulnerability Alert

Mozilla Firefox, Thunderbird, and SeaMonkey CRMF Requests Remote Code Execution Vulnerability

 
Threat Type:CWE-94: Code Injection
IntelliShield ID:30348
Version:3
First Published:2013 August 08 14:35 GMT
Last Published:2014 August 20 19:21 GMT
Port: Not available
CVE:CVE-2013-1710
BugTraq ID:61641
Urgency:Possible use
Credibility:Confirmed
Severity:Moderate Damage
CVSS Base:9.3 CVSS Calculator
CVSS Version 2.0
CVSS Temporal:7.7
 
 
Version Summary:Functional code that demonstrates an exploit of the Mozilla Firefox, Thunderbird, and SeaMonkey CRMF requests remote code execution vulnerability is publicly available.
 
 
Description
A vulnerability in Mozilla Firefox, Thunderbird, and SeaMonkey could allow an unauthenticated, remote attacker to execute arbitrary code or conduct cross-site scripting (XSS) attacks.

The vulnerability is due to an unspecified error in the affected software while creating certain Certificate Request Message Format (CRMF) requests. An attacker could exploit this vulnerability by convincing a user to visit a malicious web page. When the user visits the page, the attacker could execute arbitrary code or conduct XSS attacks on the system.

Functional code that exploits this vulnerability is available as part of the Metasploit framework.

Mozilla has confirmed the vulnerability and released updated software.
 
Warning Indicators
The following Mozilla products are affected:
  • Firefox versions prior to 23.0
  • Firefox ESR versions prior to 17.0.8
  • Thunderbird versions prior to 17.0.8
  • Thunderbird ESR versions prior to 17.0.8
  • SeaMonkey versions prior to 2.20
 
IntelliShield Analysis
To exploit the vulnerability, the attacker may provide a link that directs a user to a malicious site and use misleading language or instructions to persuade the user to follow the provided link.

The vulnerability is not likely to be exploited through email in Thunderbird and SeaMonkey because the products have scripting disabled; however, the vulnerability could be a risk in the browser or browser-like contexts of the products.
 
Vendor Announcements
Mozilla has released a security advisory at the following link: MFSA 2013-69

FreeBSD has released a VuXML document at the following link: mozilla -- multiple vulnerabilities

Red Hat has released an official CVE statement and security advisories for bug 993602 at the following links: CVE-2013-1710, RHSA-2013:1140, and RHSA-2013:1142
 
Impact
An unauthenticated, remote attacker could exploit this vulnerability to execute arbitrary code on the system with the privileges of the user. The attacker could also exploit this vulnerability to conduct XSS attacks on the system, which may allow the attacker to obtain sensitive information such as authentication cookies or recently submitted data.
 
Technical Information
The vulnerability is due an unspecified error in crypto.generateCRMFRequest() function of the affected software while generating a CRMF request under certain conditions.

Additional technical information is not available.
 
Safeguards
Administrators are advised to apply the appropriate updates.

Users should verify that unsolicited links are safe to follow.

For additional information about cross-site scripting attacks and the methods used to exploit these vulnerabilities, see the Cisco Applied Mitigation Bulletin Understanding Cross-Site Scripting (XSS) Threat Vectors.
 
Patches/Software
Mozilla has released updated software at the following links:
Firefox 23.0
Firefox ESR 17.0.8
Thunderbird 17.0.8
Thunderbird ESR 17.0.8
SeaMonkey 2.20
CentOS packages can be updated using the up2date or yum command.

FreeBSD releases ports collection updates at the following link: Ports Collection Index

Red Hat has released updated software for registered subscribers at the following link: Red Hat Network. Red Hat packages can be updated on Red Hat Enterprise Linux versions 5 and later using the yum tool.
 
Alert History
 

Version 2, August 12, 2013, 7:57 AM: FreeBSD has released a VuXML document and updated ports collection to address the Mozilla Firefox, Thunderbird, and SeaMonkey CRMF requests remote code execution vulnerability.

Version 1, August 8, 2013, 2:35 PM: Mozilla Firefox, Thunderbird, and SeaMonkey contain a vulnerability that could allow an unauthenticated, remote attacker to execute arbitrary code or conduct cross-site scripting attacks on a targeted system. Updates are available.



Product Sets
 
The security vulnerability applies to the following combinations of products.

Primary Products:
Mozilla FoundationFirefox 18.0 Base, .2 | 19.0 Base, .1, .2 | 20.0 Base | 21.0 Base | 22.0 Base
Mozilla FoundationFirefox ESR 17.0 Base, .1, .2, .3, .4, .5, .6, .7
Mozilla FoundationSeaMonkey 2.14 Base, 0.1 | 2.15 Base | 2.16 Base, .1 | 2.17 Base | 2.18 Base | 2.19 Base
Mozilla FoundationThunderbird 17.0 Base, .1, .2, .3, .4, .5, .6, .7
Mozilla FoundationThunderbird ESR 17.0 Base, .1, .2, .3, .4, .5, .6, .7

Associated Products:
CentOS ProjectCentOS 5 .0 i386, .0 x86_64, .1 i386, .1 x86_64, .2 i386, .2 x86_64, .3 i386, .3 x86_64, .4 i386, .4 x86_64, .5 i386, .5 x86_64 | 6 .0 i386, .0 x86_64, .1 i386, .1 x86_64, .2 i386, .2 x86_64
FreeBSD ProjectFreeBSD 6.3 Base | 6.4 Base | 7.0 Base | 7.1 Base | 7.2 Base | 7.3 Base | 7.4 Base | 8.0 Base | 8.1 Base | 8.2 Base | 8.3 Base | 9.0 Base | 9.1 Base
Red Hat, Inc.Red Hat Enterprise Linux 5 IA-32, IA-64, PPC, ppc64, s390, s390x, x86_64
Red Hat, Inc.Red Hat Enterprise Linux Server AUS 6.4 Base, IA-32, x86_64
Red Hat, Inc.Red Hat Enterprise Linux Desktop 5 IA-32, x86_64 | 6 IA-32, x86_64
Red Hat, Inc.Red Hat Enterprise Linux Desktop Workstation 5 IA-32, x86-64
Red Hat, Inc.Red Hat Enterprise Linux EUS (Extended Update Support) 5.9.z Base, IA-32, IA-64, PPC, PPC-64, s390x, x86_64
Red Hat, Inc.Red Hat Enterprise Linux HPC Node 6 x86_64
Red Hat, Inc.Red Hat Enterprise Linux Long Life 5.9 Base, IA-32, IA-64, x86_64
Red Hat, Inc.Red Hat Enterprise Linux Optional Productivity Applications 5 IA-32, x86-64
Red Hat, Inc.Red Hat Enterprise Linux Optional Productivity Applications EUS 5.9.z IA-32, x86_64
Red Hat, Inc.Red Hat Enterprise Linux Server 6 IA-32, PPC, PPC 64, s390, s390x, x86_64
Red Hat, Inc.Red Hat Enterprise Linux Server EUS 6.4.z Base, IA-32, x86_64, PPC, PPC64, s390, s390X
Red Hat, Inc.Red Hat Enterprise Linux Workstation 6 IA-32, x86_64




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