SB2021062320 - SUSE update for libsolv

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Main Vulnerability Database SB2021062320

SB2021062320 - SUSE update for libsolv

Published: June 23, 2021

Security Bulletin ID SB2021062320
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

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

Description

This security bulletin contains information about 2 vulnerabilities.


1) Out-of-bounds read (CVE-ID: CVE-2019-20387)

CWE-ID: CWE-125 - Out-of-bounds read

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/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 heap-based buffer over-read via a last schema whose length is less than the length of the input schema. A remote attacker can perform a denial of service attack.


2) Improper input validation (CVE-ID: CVE-2021-3200)

CWE-ID: CWE-20 - Improper input validation

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


The vulnerability allows a local non-authenticated attacker to perform service disruption.

The vulnerability exists due to improper input validation within the Signaling (libsolv) component in Oracle Communications Cloud Native Core Policy. A local non-authenticated attacker can exploit this vulnerability to perform service disruption.


Remediation

Install update from vendor's website.

References