Gentoo portage 2.1.12 X.509 Certificate urlopen cryptographic issue

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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9.8$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Gentoo portage 2.1.12. Affected by this vulnerability is the function urlopen of the component X.509 Certificate Handler. Executing a manipulation can lead to cryptographic issue. This vulnerability is tracked as CVE-2013-2100. No exploit exists.

Detailsinfo

A vulnerability classified as very critical was found in Gentoo portage 2.1.12. This vulnerability affects the function urlopen of the component X.509 Certificate Handler. The manipulation with an unknown input leads to a cryptographic issue vulnerability. The CWE definition for the vulnerability is CWE-310. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

The urlopen function in pym/portage/util/_urlopen.py in Gentoo Portage 2.1.12, when using HTTPS, does not verify X.509 certificates from SSL servers, which allows man-in-the-middle attackers to spoof servers and modify binary package lists via a crafted certificate.

The weakness was disclosed 09/29/2014 by Jason A. Donenfeld (Website). The advisory is shared for download at bugs.gentoo.org. This vulnerability was named CVE-2013-2100 since 02/19/2013. 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 current price for an exploit might be approx. USD $0-$5k (estimation calculated on 03/29/2022). The MITRE ATT&CK project declares the attack technique as T1600.

The vulnerability scanner Nessus provides a plugin with the ID 86085 (GLSA-201507-16 : Portage: Man-in-the-middle attack), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Gentoo Local Security Checks.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at X-Force (84315), Tenable (86085), SecurityFocus (BID 59878†) and Vulnerability Center (SBV-53268†). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 9.8

VulDB Base Score: 9.8
VulDB Temp Score: 9.8
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: Cryptographic issue
CWE: CWE-310
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: 86085
Nessus Name: GLSA-201507-16 : Portage: Man-in-the-middle attack
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 18627
OpenVAS Name: Gentoo Linux Local Check: https://security.gentoo.org/glsa/201507-16
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

02/19/2013 🔍
05/15/2013 +85 days 🔍
05/15/2013 +0 days 🔍
09/29/2014 +502 days 🔍
09/29/2014 +0 days 🔍
03/26/2015 +178 days 🔍
10/07/2015 +195 days 🔍
03/29/2022 +2365 days 🔍

Sourcesinfo

Advisory: bugs.gentoo.org
Researcher: Jason A. Donenfeld
Status: Not defined
Confirmation: 🔍

CVE: CVE-2013-2100 (🔍)
GCVE (CVE): GCVE-0-2013-2100
GCVE (VulDB): GCVE-100-71632
X-Force: 84315
SecurityFocus: 59878 - Portage 'urlopen()' SSL Certificate Validation Security Bypass Vulnerability
Vulnerability Center: 53268 - Gentoo Portage Remote Man-in-the-Middle Attack in urlopen() Function due to Improper Validation of SSL Certificates, Critical

Entryinfo

Created: 03/26/2015 16:14
Updated: 03/29/2022 13:35
Changes: 03/26/2015 16:14 (56), 02/03/2018 10:40 (12), 03/29/2022 13:35 (3)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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