Mozilla Bugzilla up to 5.0.0 Email Address Util.pm input validation

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.
6.4$0-$5k0.00

Summaryinfo

A vulnerability was found in Mozilla Bugzilla up to 5.0.0. It has been rated as critical. Impacted is an unknown function of the file Util.pm of the component Email Address Handler. This manipulation with the input @mozilla.com.example.com causes input validation. This vulnerability is registered as CVE-2015-4499. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability has been found in Mozilla Bugzilla up to 5.0.0 (Bug Tracking Software) and classified as critical. Affected by this vulnerability is an unknown function of the file Util.pm of the component Email Address Handler. The manipulation with the input value @mozilla.com.example.com leads to a input validation vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Util.pm in Bugzilla 2.x, 3.x, and 4.x before 4.2.15, 4.3.x and 4.4.x before 4.4.10, and 5.x before 5.0.1 mishandles long e-mail addresses during account registration, which allows remote attackers to obtain the default privileges for an arbitrary domain name by placing that name in a substring of an address, as demonstrated by truncation of an @mozilla.com.example.com address to an @mozilla.com address.

The weakness was published 09/10/2015 by Netanel Rubin as confirmed mailinglist post (Bugtraq). The advisory is shared at seclists.org. This vulnerability is known as CVE-2015-4499 since 06/10/2015. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are known, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 85925 (FreeBSD : Bugzilla security issues (ea893f06-5a92-11e5-98c0-20cf30e32f6d)), 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 11525 (Bugzilla Security Bypass Vulnerability).

Upgrading to version 4.4.10 or 5.5.1 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (106311), Tenable (85925), SecurityFocus (BID 76713†), SecurityTracker (ID 1033542†) and Vulnerability Center (SBV-53269†). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.4

VulDB Base Score: 7.3
VulDB Temp Score: 6.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 85925
Nessus Name: FreeBSD : Bugzilla security issues (ea893f06-5a92-11e5-98c0-20cf30e32f6d)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 867773
OpenVAS Name: Fedora Update for bugzilla FEDORA-2015-15768
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Bugzilla 4.4.10/5.5.1

Timelineinfo

06/10/2015 🔍
09/10/2015 +92 days 🔍
09/10/2015 +0 days 🔍
09/10/2015 +0 days 🔍
09/11/2015 +1 days 🔍
09/13/2015 +2 days 🔍
09/14/2015 +1 days 🔍
10/07/2015 +23 days 🔍
11/24/2024 +3336 days 🔍

Sourcesinfo

Vendor: mozilla.org

Advisory: 133578
Researcher: Netanel Rubin
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-4499 (🔍)
GCVE (CVE): GCVE-0-2015-4499
GCVE (VulDB): GCVE-100-77665
X-Force: 106311 - Bugzilla login names security bypass
SecurityFocus: 76713 - Bugzilla CVE-2015-4499 Security Bypass Vulnerability
SecurityTracker: 1033542
Vulnerability Center: 53269 - Mozilla Bugzilla Remote Bypass Restrictions in Util.pm, High

Entryinfo

Created: 09/14/2015 10:18
Updated: 11/24/2024 09:56
Changes: 09/14/2015 10:18 (67), 02/03/2018 10:41 (12), 06/14/2022 21:05 (3), 06/14/2022 21:17 (1), 11/24/2024 09:56 (18)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Might our Artificial Intelligence support you?

Check our Alexa App!