CVE-2017-9269 lack of keypinning in libzypp could lead to repository switching

2018-03-0119:00:00

CWE-757

microfocus

www.cve.org

CVSS3

7.7

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

LOW

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L

AI Score

9.4

Confidence

High

EPSS

0.003

Percentile

70.4%

JSON

In libzypp before August 2018 GPG keys attached to YUM repositories were not correctly pinned, allowing malicious repository mirrors to silently downgrade to unsigned repositories with potential malicious content.

CNA Affected

[
  {
    "product": "libzypp",
    "vendor": "SUSE",
    "versions": [
      {
        "lessThan": "201808",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  }
]