Mozilla Firefox/Thunderbird 30.0 SSL Certificate Common Name nsDNSService2.cpp unicode encoding

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 4.6 | $0-$5k | 0.00 |
Summary
A vulnerability was found in Mozilla Firefox and Thunderbird 30.0. It has been classified as critical. Affected by this issue is some unknown functionality of the file nsDNSService2.cpp of the component SSL Certificate Common Name Handler. Performing a manipulation results in improper handling of unicode encoding. This vulnerability was named CVE-2014-1559. There is no available exploit. Upgrading the affected component is recommended.
Details
A vulnerability, which was classified as critical, was found in Mozilla Firefox and Thunderbird 30.0 (Web Browser). This affects an unknown code block of the file nsDNSService2.cpp of the component SSL Certificate Common Name Handler. The manipulation with an unknown input leads to a improper handling of unicode encoding vulnerability. CWE is classifying the issue as CWE-176. The product does not properly handle when an input contains Unicode encoding. This is going to have an impact on integrity.
The weakness was presented 07/22/2014 by Christian Holler as MFSA2014-65 as confirmed advisory (Website). The advisory is shared at mozilla.org. This vulnerability is uniquely identified as CVE-2014-1559 since 01/16/2014. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details are known, but no exploit is available.
The vulnerability scanner Nessus provides a plugin with the ID 76720 (FreeBSD : mozilla -- multiple vulnerabilities (978b0f76-122d-11e4-afe3-bc5ff4fb5e7b)), 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 195567 (Ubuntu Security Notification for Firefox Vulnerabilities (USN-2295-1)).
Upgrading to version 31 eliminates this vulnerability.
The vulnerability is also documented in the databases at X-Force (94779), Tenable (76720), SecurityFocus (BID 68815†), Secunia (SA60628†) and SecurityTracker (ID 1030619†). Further details are available at bugzilla.mozilla.org. See VDB-67222, VDB-67223, VDB-67224 and VDB-67225 for similar entries. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
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: 5.3VulDB Meta Temp Score: 4.6
VulDB Base Score: 5.3
VulDB Temp Score: 4.6
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Improper handling of unicode encodingCWE: CWE-176 / CWE-172
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Unproven
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
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Nessus ID: 76720
Nessus Name: FreeBSD : mozilla -- multiple vulnerabilities (978b0f76-122d-11e4-afe3-bc5ff4fb5e7b)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
OpenVAS ID: 803463
OpenVAS Name: Mozilla Firefox Multiple Vulnerabilities-01 August14 (Windows)
OpenVAS File: 🔍
OpenVAS Family: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: Firefox/Thunderbird 31
Timeline
01/16/2014 🔍07/22/2014 🔍
07/22/2014 🔍
07/22/2014 🔍
07/22/2014 🔍
07/23/2014 🔍
07/23/2014 🔍
07/23/2014 🔍
02/09/2022 🔍
Sources
Vendor: mozilla.orgProduct: mozilla.org
Advisory: MFSA2014-65
Researcher: Christian Holler
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2014-1559 (🔍)
GCVE (CVE): GCVE-0-2014-1559
GCVE (VulDB): GCVE-100-67233
OVAL: 🔍
IAVM: 🔍
X-Force: 94779 - Mozilla Firefox andThunderbird nsDNSService2.cpp weak security, Medium Risk
SecurityFocus: 68815 - Mozilla Firefox/Thunderbird CVE-2014-1559 Security Vulnerability
Secunia: 60628
SecurityTracker: 1030619 - Mozilla Firefox Multiple Flaws Let Remote Users Execute Arbitrary Code, Deny Service, and Spoof User Interface Elements
Vulnerability Center: 45571 - Mozilla Firefox and Thunderbird Remote Security Bypass - CVE-2014-1559, Medium
Misc.: 🔍
See also: 🔍
Entry
Created: 07/23/2014 19:31Updated: 02/09/2022 20:02
Changes: 07/23/2014 19:31 (84), 06/02/2017 22:04 (6), 02/09/2022 19:55 (3), 02/09/2022 20:02 (1)
Complete: 🔍
Cache ID: 216:8F3:103
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