Vulnerability Monitor

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CVE-2021-20271

A flaw was found in RPM's signature check functionality when reading a package file. This flaw allows an attacker who can convince a victim to install a seemingly verifiable package, whose signature header was modified, to cause RPM database corruption and execute code. The highest threat from this vulnerability is to data integrity, confidentiality, and system availability.

Published

2021-03-26T17:15:13.000

Last Modified

2024-11-21T05:46:15.240

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.0 (HIGH)

CVSSv2 Vector

AV:N/AC:H/Au:N/C:P/I:P/A:P

  • Access Vector: NETWORK
  • Access Complexity: HIGH
  • Authentication: NONE
  • Confidentiality Impact: PARTIAL
  • Integrity Impact: PARTIAL
  • Availability Impact: PARTIAL
Exploitability Score

4.9

Impact Score

6.4

Weaknesses
  • Type: Primary
    CWE-345
  • Type: Secondary
    CWE-345
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application rpm rpm < 4.15.1.3 Yes
Application rpm rpm < 4.16.1.3 Yes
Application rpm rpm 4.15.0 Yes
Application rpm rpm 4.15.0 Yes
Application rpm rpm 4.15.0 Yes
Application rpm rpm 4.16.0 Yes
Application rpm rpm 4.16.0 Yes
Application rpm rpm 4.16.0 Yes
Application rpm rpm 4.16.0 Yes
Operating System redhat enterprise_linux 8.0 Yes
Operating System fedoraproject fedora 32 Yes
Operating System fedoraproject fedora 33 Yes
Operating System fedoraproject fedora 34 Yes
Application starwindsoftware starwind_virtual_san v8 Yes
References