Email::Address up to 1.898 on Perl incorrect regex

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.
5.1$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Email::Address up to 1.898 on Perl. Affected is an unknown function. This manipulation causes incorrect regex. This vulnerability is tracked as CVE-2014-0477. The attack is possible to be carried out remotely. No exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Email::Address up to 1.898 on Perl and classified as problematic. Affected by this vulnerability is an unknown functionality. The manipulation with an unknown input leads to a incorrect regex vulnerability. The CWE definition for the vulnerability is CWE-185. The product specifies a regular expression in a way that causes data to be improperly matched or compared. As an impact it is known to affect availability. The summary by CVE is:

The parse function in Email::Address module before 1.905 for Perl uses an inefficient regular expression, which allows remote attackers to cause a denial of service (CPU consumption) via an empty quoted string in an RFC 2822 address.

The weakness was disclosed 07/03/2014 by Basti (GitHub Repository). It is possible to read the advisory at github.com. This vulnerability is known as CVE-2014-0477. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 77946 (Fedora 19 : perl-Email-Address-1.905-1.fc19 (2014-7610)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 167296 (OpenSuSE Security Update for perl (openSUSE-SU-2014:1328-1)).

Upgrading to version 1.899 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (93874), Tenable (77946), SecurityFocus (BID 68084†), OSVDB (108242†) and Secunia (SA59212†). The entry VDB-70271 is pretty similar. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

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

NVD Base Score: 🔍

Exploitinginfo

Class: Incorrect regex
CWE: CWE-185 / CWE-697
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 77946
Nessus Name: Fedora 19 : perl-Email-Address-1.905-1.fc19 (2014-7610)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 702969
OpenVAS Name: Debian Security Advisory DSA 2969-1 (libemail-address-perl - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Email::Address 1.899
Patch: github.com

Timelineinfo

12/19/2013 🔍
06/18/2014 +181 days 🔍
06/18/2014 +0 days 🔍
07/01/2014 +13 days 🔍
07/03/2014 +2 days 🔍
07/03/2014 +0 days 🔍
07/09/2014 +6 days 🔍
09/29/2014 +82 days 🔍
03/26/2015 +178 days 🔍
12/21/2024 +3558 days 🔍

Sourcesinfo

Advisory: 83f8306117115729ac9346523762c0c396251eb5
Researcher: Basti
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2014-0477 (🔍)
GCVE (CVE): GCVE-0-2014-0477
GCVE (VulDB): GCVE-100-70267

OVAL: 🔍

X-Force: 93874
SecurityFocus: 68084 - Perl 'Email::Address' Module Local Denial of Service Vulnerability
Secunia: 59212 - Debian update for libemail-address-perl, Less Critical
OSVDB: 108242
Vulnerability Center: 45330 - Email::Address Module Prior to 1.905 for Perl Remote DoS via an Empty Quoted String, High

See also: 🔍

Entryinfo

Created: 03/26/2015 12:07
Updated: 12/21/2024 20:31
Changes: 03/26/2015 12:07 (68), 06/01/2017 16:10 (8), 03/24/2022 11:59 (5), 03/24/2022 12:07 (1), 12/21/2024 20:31 (20)
Complete: 🔍
Cache ID: 216:EAF:103

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Do you know our Splunk app?

Download it now for free!