CVE-2023-2857
First published: Fri May 26 2023(Updated: )
BLF file 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
Credit: cve@gitlab.com cve@gitlab.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Wireshark Wireshark | >=3.6.0<3.6.14 | |
| Wireshark Wireshark | >=4.0.0<4.0.6 | |
| Debian Debian Linux | =12.0 | |
| debian/wireshark | 2.6.20-0+deb10u4 2.6.20-0+deb10u7 3.4.10-0+deb11u1 4.0.6-1~deb12u1 4.0.10-1 |
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Reference Links
- https://gitlab.com/wireshark/wireshark/-/issues/19063
- https://www.wireshark.org/security/wnpa-sec-2023-13.html
- https://gitlab.com/gitlab-org/cves/-/blob/master/2023/CVE-2023-2857.json
- https://security.gentoo.org/glsa/202309-02
- https://www.debian.org/security/2023/dsa-5429
- https://gitlab.com/wireshark/wireshark/-/commit/796819c955b9dd508d73bb640d56c2625f866862
- https://security-tracker.debian.org/tracker/CVE-2023-2857
Frequently Asked Questions
What is CVE-2023-2857?
CVE-2023-2857 is a vulnerability in Wireshark versions 4.0.0 to 4.0.5 and 3.6.0 to 3.6.13 that allows denial of service through a crafted capture file.
What is the severity of CVE-2023-2857?
The severity of CVE-2023-2857 is medium, with a CVSS score of 6.5.
How can CVE-2023-2857 be exploited?
CVE-2023-2857 can be exploited by an attacker using a specially crafted BLF file that triggers a crash in the Wireshark file parser.
Which versions of Wireshark are affected by CVE-2023-2857?
Wireshark versions 4.0.0 to 4.0.5 and 3.6.0 to 3.6.13 are affected by CVE-2023-2857.
What is the recommended remedy for CVE-2023-2857?
The recommended remedy for CVE-2023-2857 is to update Wireshark to version 4.0.6 or later.
- collector/nvd-latest
- collector/security-tracker-debian
- collector/nvd-index
- agent/author
- agent/type
- agent/softwarecombine
- agent/severity
- agent/remedy
- agent/references
- agent/weakness
- agent/description
- agent/first-publish-date
- agent/event
- collector/mitre-cve
- source/MITRE
- collector/nvd-api
- source/NVD
- agent/software-canonical-lookup
- agent/last-modified-date
- agent/tags
- agent/source
- vendor/wireshark
- canonical/wireshark wireshark
- version/wireshark wireshark/3.6.0
- version/wireshark wireshark/4.0.0
- package-manager/debian
- vendor/debian
- canonical/debian debian linux
- version/debian debian linux/12.0