CVE-2020-7045
What it is
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.
At a glance
- Exploitability
- Can be exploited from the same network segment without logging in. High risk of service disruption.
- Exploit odds
- 1.5% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 1.5% in the next 30 days (EPSS).
- Severity: 6.5 MEDIUM (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 1.5% · EPSS, next 30 days
- Weakness
- CWE-476 · NULL pointer dereference
- Record status
- Modified
Affected
- Wireshark < 3.0.8
- Debian Linux 9.0
Attack profile CVSS 3.1 · 6.5
- Attack vector
- Adjacent network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Raw vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2020-7045.md and follow it. Check whether this project is affected by CVE-2020-7045. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=16258
- https://www.wireshark.org/security/wnpa-sec-2020-02.html
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=16258
- https://www.wireshark.org/security/wnpa-sec-2020-02.html
References
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=16258
- https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=01f261de41f4dd3233ef578e5c0ffb9c25c7d14d
- https://lists.debian.org/debian-lts-announce/2021/02/msg00008.html
- https://www.wireshark.org/security/wnpa-sec-2020-02.html
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=16258
- https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=01f261de41f4dd3233ef578e5c0ffb9c25c7d14d
- https://lists.debian.org/debian-lts-announce/2021/02/msg00008.html
- https://www.wireshark.org/security/wnpa-sec-2020-02.html