CVE-2018-7418: High severity Wireshark Wireshark vulnerability

Published Feb 23, 2018
·
Updated

In Wireshark 2.2.0 to 2.2.12 and 2.4.0 to 2.4.4, the SIGCOMP dissector could crash. This was addressed in epan/dissectors/packet-sigcomp.c by correcting the extraction of the length value.

Affected Software

23 affected componentsFixes available
Wireshark Wireshark>=2.2.0<=2.2.12
Wireshark Wireshark>=2.4.0<=2.4.4
Debian Debian Linux=7.0
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
DescriptionSeverityAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2018-7418?

The severity of CVE-2018-7418 is classified as medium due to the potential for a crash in Wireshark.

2

How do I fix CVE-2018-7418?

To fix CVE-2018-7418, upgrade Wireshark to the latest version available beyond 2.4.4 or 2.2.12.

3

What versions of Wireshark are affected by CVE-2018-7418?

Wireshark versions from 2.2.0 to 2.2.12 and from 2.4.0 to 2.4.4 are affected by CVE-2018-7418.

4

What component of Wireshark is vulnerable in CVE-2018-7418?

The SIGCOMP dissector in Wireshark is the vulnerable component addressed in CVE-2018-7418.

5

Can CVE-2018-7418 lead to data loss?

CVE-2018-7418 may cause application instability but does not directly lead to data loss.

Company

Resources

Contact

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