Vulnerability · Published May 26, 2023 · Assigned by GitLab
CVE-2023-2855
Medium 5.3
In plain English
A medium-severity out-of-bounds write in Wireshark from Wireshark Foundation. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 1.6% (higher than 77% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)5.3Medium
Exploit odds (30 days)1.6%top 23.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
Candump log parser crash in Wireshark 4.0.0 to 4.0.5 and 3.6.0 to 3.6.13 allows denial of service via crafted capture file
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:9 | wireshark | 1:3.4.10-6.el9 | ALSA-2023:6469 |
| AlmaLinux:9 | wireshark-cli | 1:3.4.10-6.el9 | ALSA-2023:6469 |
| AlmaLinux:9 | wireshark-devel | 1:3.4.10-6.el9 | ALSA-2023:6469 |
| Debian:12 | wireshark | 4.0.6-1~deb12u1 | DEBIAN-CVE-2023-2855 |
| Debian:12 | wireshark | 4.0.6-1~deb12u1 | DSA-5429-1 |
| Debian:13 | wireshark | 4.0.6-1 | DEBIAN-CVE-2023-2855 |
| Debian:14 | wireshark | 4.0.6-1 | DEBIAN-CVE-2023-2855 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Wireshark Foundation | Wireshark | >=4.0.0, <4.0.6>=3.6.0, <3.6.14 |
Weakness: CWE-787 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
References
- https://www.wireshark.org/security/wnpa-sec-2023-12.html
- https://gitlab.com/wireshark/wireshark/-/issues/19062
- https://gitlab.com/gitlab-org/cves/-/blob/master/2023/CVE-2023-2855.json
- DSA-5429 vendor-advisory
- GLSA-202309-02 vendor-advisory
- https://lists.debian.org/debian-lts-announce/2024/09/msg00049.html