CVE-2012-0955

software-properties was vulnerable to a person-in-the-middle attack due to incorrect TLS certificate validation in softwareproperties/ppa.py. software-properties didn't check TLS certificates under python2 and only checked certificates under python3 if a valid certificate bundle was provided. Fixed in software-properties version 0.92.

CVSS v3 7.4 HIGH
CVSS v2.0 5.8 MEDIUM

7.4^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.2 / Impact : 5.2

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

5.8^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:M/Au:N/C:P/I:P/A:N

Exploitability : 8.6 / Impact : 4.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact NONE

References

Link	Resource
https://code.launchpad.net/~cyphermox/software-properties/lp1036839/+merge/119753	Patch Vendor Advisory
https://launchpad.net/bugs/1036839	Exploit Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:canonical:software-properties:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2020-12-02 01:15

Updated : 2020-12-08 02:12

NVD link : CVE-2012-0955

Mitre link : CVE-2012-0955

CVE.ORG link : CVE-2012-0955

JSON object : View

Products Affected

canonical

software-properties

CWE

CWE-295

Improper Certificate Validation

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