apt up to 0.8.10 information disclosure

HistoryDiffrelatejsonxmlCTI

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-$5k	0.00

A vulnerability, which was classified as problematic, has been found in apt up to 0.8.10. This issue affects some unknown processing. The manipulation with an unknown input leads to a information disclosure vulnerability. Using CWE to declare the problem leads to CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. Impacted is confidentiality. The summary by CVE is:

methods/https.cc in apt before 0.8.11 accepts connections when the certificate host name fails validation and Verify-Host is enabled, which allows man-in-the-middle attackers to obtain repository credentials via unspecified vectors.

The weakness was published 02/28/2014 (Website). The advisory is shared at bugs.launchpad.net. The identification of this vulnerability is CVE-2011-3634 since 09/21/2011. The exploitation is known to be difficult. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1592 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 56970 (Ubuntu 8.04 LTS / 10.04 LTS / 10.10 / 11.04 : apt vulnerability (USN-1283-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Ubuntu Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 195193 (Ubuntu Security Notification for Apt Vulnerability (USN-1283-1)).

Upgrading to version 0.8.11 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (71506), Tenable (56970) and Vulnerability Center (SBV-34589†). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Name

Version

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

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

Nessus ID: 56970
Nessus Name: Ubuntu 8.04 LTS / 10.04 LTS / 10.10 / 11.04 : apt vulnerability (USN-1283-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 840825
OpenVAS Name: Ubuntu Update for apt USN-1283-1
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: apt 0.8.11

Timelineinfo

09/21/2011 🔍
11/29/2011 +69 days 🔍
11/29/2011 +0 days 🔍
03/11/2012 +103 days 🔍
02/28/2014 +719 days 🔍
02/28/2014 +0 days 🔍
03/24/2015 +389 days 🔍
04/12/2025 +3672 days 🔍

Sourcesinfo

Advisory: USN-1283-1
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2011-3634 (🔍)
GCVE (CVE): GCVE-0-2011-3634
GCVE (VulDB): GCVE-100-66485

OVAL: 🔍

X-Force: 71506
Vulnerability Center: 34589 - Debian Apt Verify-Host Configuration Signature-Verification Vulnerability, Medium

Entryinfo

Created: 03/24/2015 03:54 PM
Updated: 04/12/2025 10:12 PM
Changes: 03/24/2015 03:54 PM (55), 07/19/2018 05:14 PM (10), 02/03/2022 08:28 AM (2), 02/03/2022 08:31 AM (1), 01/05/2025 11:53 PM (18), 04/12/2025 10:12 PM (1)
Complete: 🔍
Cache ID: 18:412:40