Improper Verification of Cryptographic Signature in libzypp - CVE-2018-7685

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Main Vulnerability Database Vulnerabilities #VU36755

Improper Verification of Cryptographic Signature in libzypp - CVE-2018-7685

Published: August 31, 2018 / Updated: August 8, 2020


Vulnerability identifier: #VU36755
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2018-7685
CWE-ID: CWE-347
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: SUSE
Affected software:
libzypp

Detailed vulnerability description

The vulnerability allows a local authenticated user to execute arbitrary code.

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.


How to mitigate CVE-2018-7685

Install update from vendor's website.

Sources