SB2019091802 - Ubuntu update for Wireshark



SB2019091802 - Ubuntu update for Wireshark

Published: September 18, 2019

Security Bulletin ID SB2019091802
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

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

Description

This security bulletin contains information about 2 vulnerabilities.


1) Resource management error (CVE-ID: CVE-2019-12295)

CWE-ID: CWE-399 - Resource Management Errors

CVSSv4: CVSS:4.0/AV:N/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 remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to unspecified error when processing untrusted data in the Wireshark dissection engine in epan/packet.c. A remote attacker can trick the victim to view the malformed packet trace file and crash the application.

2) Input validation error (CVE-ID: CVE-2019-13619)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/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 ASN.1 BER dissector in epan/asn1.c. A remote attacker can send malicious traffic to the affected application and perform a denial of service attack.


Remediation

Install update from vendor's website.