CVE-2020-7045: Null Pointer Dereference
First published: Thu Jan 16 2020(Updated: )
In Wireshark 3.0.x before 3.0.8, the BT ATT dissector could crash. This was addressed in epan/dissectors/packet-btatt.c by validating opcodes.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Wireshark Wireshark | >=3.0.0<3.0.8 | |
| Debian GNU/Linux | =9.0 |
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Reference Links
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=16258
- https://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=01f261de41f4dd3233ef578e5c0ffb9c25c7d14d
- https://lists.debian.org/debian-lts-announce/2021/02/msg00008.html
- https://www.wireshark.org/security/wnpa-sec-2020-02.html
- https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=01f261de41f4dd3233ef578e5c0ffb9c25c7d14d
Frequently Asked Questions
What is the severity of CVE-2020-7045?
CVE-2020-7045 is classified as a medium severity vulnerability due to the potential for the Wireshark application to crash.
How do I fix CVE-2020-7045?
To fix CVE-2020-7045, upgrade Wireshark to version 3.0.8 or later.
Which versions of Wireshark are affected by CVE-2020-7045?
CVE-2020-7045 affects Wireshark versions prior to 3.0.8, specifically the 3.0.x series.
Does CVE-2020-7045 affect Debian Linux?
Yes, CVE-2020-7045 affects Debian Linux 9.0 when running an affected version of Wireshark.
What component of Wireshark is impacted by CVE-2020-7045?
CVE-2020-7045 impacts the BT ATT dissector component of Wireshark.
- agent/type
- agent/remedy
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- agent/references
- agent/author
- agent/severity
- agent/weakness
- agent/first-publish-date
- agent/event
- agent/description
- agent/source
- agent/softwarecombine
- agent/tags
- collector/nvd-index
- agent/software-canonical-lookup-request
- vendor/wireshark
- canonical/wireshark wireshark
- version/wireshark wireshark/3.0.0
- vendor/debian
- canonical/debian gnu/linux
- version/debian gnu/linux/9.0