Out-of-bounds Read in Wireshark
CVE-2017-17935
The File_read_line function in epan/wslua/wslua_file.c in Wireshark through 2.2.11 does not properly strip '\n' characters, which allows remote attackers to cause a denial of service (buffer underflow and application crash) via a crafted packet that triggers the attempted processing of an empty line.
Vulnerability class: Buffer Overflow
EPSS: 0.030 (85.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Wireshark
- Debian Debian_linux — versions 8.0
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (x_refsource_MISC, Issue Tracking)
- cve@mitre.org (Patch, x_refsource_MISC, Issue Tracking)
- cve@mitre.org (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
- cve@mitre.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
- cve@mitre.org (x_refsource_MISC)
Frequently asked questions
- What is CVE-2017-17935?
- CVE-2017-17935 is a high-severity vulnerability in Wireshark, classified under Out-of-bounds Read. CVSS score: 7.5/10. Published 2017-12-27.
- How severe is CVE-2017-17935?
- High severity. CVSS v3 base score is 7.5 out of 10.