SB2023082004 - Multiple vulnerabilities in RNP

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Main Vulnerability Database SB2023082004

SB2023082004 - Multiple vulnerabilities in RNP

Published: August 20, 2023

Security Bulletin ID SB2023082004
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Information disclosure

Breakdown by Severity

Medium 50% Low 50%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 vulnerabilities.


1) Input validation error (CVE-ID: CVE-2023-29479)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input within the Ribose RNP library when parsing PKESK/SKESK packets. A remote attacker can send specially crafted OpenPGP messages to the application and perform a denial of service (DoS) attack.


2) Cleartext storage of sensitive information (CVE-ID: CVE-2023-29480)

CWE-ID: CWE-312 - Cleartext Storage of Sensitive Information

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local user to gain access to sensitive information.

The vulnerability exists due to secret keys remain unlocked after use in certain situations. A local user can gain access to the secret key.


Remediation

Install update from vendor's website.

References