SB2018081007 - OpenSUSE Linux update for libcdio

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Main Vulnerability Database SB2018081007

SB2018081007 - OpenSUSE Linux update for libcdio

Published: August 10, 2018

Security Bulletin ID SB2018081007
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 vulnerabilities.


1) NULL pointer dereference (CVE-ID: CVE-2017-18199)

CWE-ID: CWE-476 - NULL Pointer Dereference

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


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

The vulnerability exists in the realloc_symlink function due to improper handling of crafted ISO image files. A remote attacker can create a specially crafted ISO image file, trick the victim into opening it and cause the service to crash.


2) Double free (CVE-ID: CVE-2017-18201)

CWE-ID: CWE-415 - Double Free

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


The vulnerability allows a local attacker to cause DoS condition on the target system.

The weakness exists in the get_cdtext_generic() function due to double free. A local attacker can send specially crafted input, trigger memory corruption and cause the service to crash.

Remediation

Install update from vendor's website.

References