Improper Verification of Cryptographic Signature Affecting libzypp package, versions *


Severity

Recommended
medium

Based on Ubuntu security rating.

Threat Intelligence

EPSS
0.05% (24th percentile)

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  • Snyk IDSNYK-UBUNTU1604-LIBZYPP-343507
  • published25 Sept 2018
  • disclosed31 Aug 2018

Introduced: 31 Aug 2018

CVE-2018-7685  (opens in a new tab)
CWE-347  (opens in a new tab)

How to fix?

There is no fixed version for Ubuntu:16.04 libzypp.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libzypp package and not the libzypp package as distributed by Ubuntu. See How to fix? for Ubuntu:16.04 relevant fixed versions and status.

The decoupled download and installation steps in libzypp before 17.5.0 could lead to a corrupted RPM being left in the cache, where a later call would not display the corrupted RPM warning and allow installation, a problem caused by malicious warnings only displayed during download.