CVE-2018-7331: High severity Wireshark Wireshark vulnerability

Published Feb 23, 2018
·
Updated

In Wireshark 2.4.0 to 2.4.4 and 2.2.0 to 2.2.12, epan/dissectors/packet-ber.c had an infinite loop that was addressed by validating a length.

Affected Software

22 affected componentsFixes available
Wireshark Wireshark>=2.2.0<=2.2.12
Wireshark Wireshark>=2.4.0<=2.4.4
Debian Debian Linux=8.0
alpine/wireshark>=2.2.0<2.4.5-r0
2.4.5-r0
alpine/wireshark>=2.2.0<2.4.5-r0
2.4.5-r0
alpine/wireshark>=2.2.0<2.4.5-r0
2.4.5-r0
alpine/wireshark>=2.2.0<2.4.5-r0
2.4.5-r0
alpine/wireshark>=2.2.0<2.4.5-r0
2.4.5-r0
alpine/wireshark>=2.2.0<2.4.5-r0
2.4.5-r0
alpine/wireshark>=2.2.0<2.4.5-r0
2.4.5-r0
alpine/wireshark>=2.2.0<2.4.5-r0
2.4.5-r0
alpine/wireshark>=2.2.0<2.4.5-r0
2.4.5-r0
alpine/wireshark>=2.2.0<2.4.5-r0
2.4.5-r0
alpine/wireshark>=2.2.0<2.4.5-r0
2.4.5-r0
alpine/wireshark>=2.2.0<2.4.5-r0
2.4.5-r0
alpine/wireshark>=2.2.0<2.4.5-r0
2.4.5-r0
alpine/wireshark>=2.2.0<2.4.5-r0
2.4.5-r0
alpine/wireshark>=2.2.0<2.4.5-r0
2.4.5-r0
alpine/wireshark>=2.2.0<2.2.15-r0
2.2.15-r0
alpine/wireshark>=2.2.0<2.4.5-r0
2.4.5-r0
alpine/wireshark>=2.2.0<2.4.5-r0
2.4.5-r0
alpine/wireshark>=2.2.0<2.4.5-r0
2.4.5-r0

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade alpine/wireshark to a version that resolves this vulnerability.

    Fixed in 2.4.5-r0
  2. Upgrade

    Upgrade alpine/wireshark to a version that resolves this vulnerability.

    Fixed in 2.2.15-r0

Event History

Feb 23, 2018
CVE Published
via MITRE·10:00 PM
Data Sourced
via MITRE·10:00 PM
Description
Data Sourced
via NVD·10:29 PM
DescriptionSeverityWeaknessAffected Software
Data Sourced
via OSV·10:29 PM
DescriptionSeverityAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2018-7331?

CVE-2018-7331 is classified as a medium severity vulnerability due to its potential to cause an infinite loop in the Wireshark application.

2

How do I fix CVE-2018-7331?

To fix CVE-2018-7331, update Wireshark to version 2.4.5 or 2.2.13 or later, where the issue has been addressed.

3

Which versions of Wireshark are affected by CVE-2018-7331?

CVE-2018-7331 affects Wireshark versions 2.4.0 to 2.4.4 and 2.2.0 to 2.2.12.

4

Does CVE-2018-7331 affect Debian users?

Yes, CVE-2018-7331 can affect Debian GNU/Linux 8.0 users running the vulnerable versions of Wireshark.

5

What type of vulnerability is CVE-2018-7331?

CVE-2018-7331 is a denial of service vulnerability that occurs due to an infinite loop caused by improper validation of packet length.

Company

Resources

Contact

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