Home/CVE/methods/https.cc in apt before 0.8.11 accepts connections when the certificate host name fails validation and Verify-Hos
CVE

CVE-2011-3634

methods/https.cc in apt before 0.8.11 accepts connections when the certificate host name fails validation and Verify-Hos

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.

LOW · CVSS 2.6 EPSS 0.00163
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-200Exposure of Sensitive Information to an Unauthorized Actor
▤

Affected Products & Versions

3
debian advanced package tool<= 0.8.10.3
debian advanced package toolall versions
canonical ubuntu linuxall versions
▣

Scoring & Timeline

2.6
LOW · CVSS v2 (legacy) · secalert@redhat.com
View on NVD
This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.
v2 Vector
AV:N/AC:H/Au:N/C:P/I:N/A:N
Published to NVD01 Mar 2014 · 12:55 AM
⚑

Vendor Advisories

1
usnUSN-1283-1
🔗

References & Sources

4
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://people.canonical.com/~ubuntu-security/cve/2011/CVE-2011-3634.html
http://www.ubuntu.com/usn/USN-1283-1
https://alioth.debian.org/plugins/scmgit/cgi-bin/gitweb.cgi?p=apt/apt.git
https://bugs.launchpad.net/ubuntu/+source/apt/+bug/868353
Intelligence Graph · click any node to traverse
CVETechnique ActorTool Family
drag to reposition · click any node to traverse · button top-right enlarges
External lookups - second-class, for what we don’t hold ourselves
NVDCVE.orgCISAVulnersExploit-DBGitHub PoCVulnCheck KEVGreyNoise
Vulnerabilities
CISA KEV catalog
CWE weaknesses
CAPEC attack patterns
Package vulnerabilities
Threat intelligence
Threat actors
Tools & malware
ATT&CK techniques
IOCs
Detection & defense
Sigma rules
YARA rules
Atomic Red Team tests
D3FEND countermeasures
Compliance
NIST 800-53
ISO 27001:2022
SOC 2 TSC
PCI-DSS v4.0
CIS Controls v8.1
About
All capabilities
Live statistics
Data sources
Privacy policy
Terms of service
threatengine.sh  ·  Open-source threat intelligence platform  ·  100+ authoritative sources  ·  Every fact traces to its origin