Home/CVE/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
CVE

CVE-2023-2857

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

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.

MEDIUM · CVSS 5.3 EPSS 0.00053
Schedule remediation
  • Public exploit or PoC is available
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-787Out-of-bounds Write
CWE-787Out-of-bounds Write
▤

Affected Products & Versions

3
wireshark>= 3.6.0 and < 3.6.14
wireshark>= 4.0.0 and < 4.0.6
debian linuxall versions
⚠

Public Exploits & PoCs

1
pocgitlab.com · 19063gitlab.com
▣

Scoring & Timeline

5.3
MEDIUM · CVSS v3.1 · cve@gitlab.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD26 May 2023 · 09:15 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
SSVC triage · cisa-vulnrichment
Exploitation
poc
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

3
suse-csafopenSUSE-SU-2024:12958-1
suse-csafSUSE-SU-2023:3252-1
suse-csafSUSE-SU-2023:2320-1
🔗

References & Sources

4
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://gitlab.com/gitlab-org/cves/-/blob/master/2023/CVE-2023-2857.jsonThird Party Advisory
https://security.gentoo.org/glsa/202309-02Third Party Advisory
https://www.debian.org/security/2023/dsa-5429Third Party Advisory
https://www.wireshark.org/security/wnpa-sec-2023-13.htmlVendor Advisory
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