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CanonicalCVELIST:CVE-2012-0955

HistoryAug 14, 2012 - 12:00 a.m.

CVE-2012-0955 software-properties incorrectly validated TLS certificates

2012-08-1400:00:00

CWE-295

canonical

www.cve.org

6.8 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N

0.001 Low

EPSS

Percentile

49.2%

JSON

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.

CNA Affected

[
  {
    "product": "software-properties",
    "vendor": "Canonical",
    "versions": [
      {
        "lessThan": "0.92",
        "status": "affected",
        "version": "0.92",
        "versionType": "custom"
      }
    ]
  }
]

References

code.launchpad.net/~cyphermox/software-properties/lp1036839/+merge/119753

launchpad.net/bugs/1036839

6.8 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N

0.001 Low

EPSS

Percentile

49.2%

JSON

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