CVE-2018-9263: High severity Wireshark Wireshark vulnerability

Published Apr 4, 2018
·
Updated

In Wireshark 2.4.0 to 2.4.5 and 2.2.0 to 2.2.13, the Kerberos dissector could crash. This was addressed in epan/dissectors/packet-kerberos.c by ensuring a nonzero key length.

Affected Software

23 affected componentsFixes available
Wireshark Wireshark>=2.2.0<=2.2.13
Wireshark Wireshark>=2.4.0<=2.4.5
Debian Debian Linux=7.0
Debian Debian Linux=8.0
alpine/wireshark>=2.2.0<2.4.6-r0
2.4.6-r0
alpine/wireshark>=2.2.0<2.4.6-r0
2.4.6-r0
alpine/wireshark>=2.2.0<2.4.6-r0
2.4.6-r0
alpine/wireshark>=2.2.0<2.4.6-r0
2.4.6-r0
alpine/wireshark>=2.2.0<2.4.6-r0
2.4.6-r0
alpine/wireshark>=2.2.0<2.4.6-r0
2.4.6-r0
alpine/wireshark>=2.2.0<2.4.6-r0
2.4.6-r0
alpine/wireshark>=2.2.0<2.4.6-r0
2.4.6-r0
alpine/wireshark>=2.2.0<2.4.6-r0
2.4.6-r0
alpine/wireshark>=2.2.0<2.4.6-r0
2.4.6-r0
alpine/wireshark>=2.2.0<2.4.6-r0
2.4.6-r0
alpine/wireshark>=2.2.0<2.4.6-r0
2.4.6-r0
alpine/wireshark>=2.2.0<2.4.6-r0
2.4.6-r0
alpine/wireshark>=2.2.0<2.4.6-r0
2.4.6-r0
alpine/wireshark>=2.2.0<2.4.6-r0
2.4.6-r0
alpine/wireshark>=2.2.0<2.2.14-r0
2.2.14-r0
alpine/wireshark>=2.2.0<2.4.6-r0
2.4.6-r0
alpine/wireshark>=2.2.0<2.4.6-r0
2.4.6-r0
alpine/wireshark>=2.2.0<2.4.6-r0
2.4.6-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 2.4.6-r0
  2. Upgrade

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

    Fixed in 2.2.14-r0

Event History

Apr 4, 2018
CVE Published
via MITRE·07:00 AM
Data Sourced
via MITRE·07:00 AM
Description
Data Sourced
via NVD·07:29 AM
DescriptionSeverityAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2018-9263?

CVE-2018-9263 has a medium severity rating due to the potential for denial of service via a crash in the Kerberos dissector.

2

How do I fix CVE-2018-9263?

To fix CVE-2018-9263, upgrade Wireshark to version 2.4.6 or later, or 2.2.14 or later.

3

What impact does CVE-2018-9263 have on affected software?

CVE-2018-9263 may lead to crashes in the Wireshark application when processing specially crafted Kerberos packets.

4

Which versions of Wireshark are affected by CVE-2018-9263?

Wireshark versions 2.4.0 to 2.4.5 and 2.2.0 to 2.2.13 are affected by CVE-2018-9263.

5

Is CVE-2018-9263 related to any specific operating systems?

Yes, CVE-2018-9263 affects Wireshark installations on Debian 7.0 and 8.0 systems.

Company

Resources

Contact

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