CVE-2017-17935
HIGH severity · CVSS 7.5 · Out-of-bounds read
7.5CVSS HIGH
Summary
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.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
Confidentiality impactNone
Integrity impactNone
Availability impactHigh
Exploit probability (EPSS)3%
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Official patch: https://code.wireshark.org/review/#/c/24997/ ↗
Additional information
- NVD record
- https://code.wireshark.org/review/#/c/24997/Patch
- http://www.securityfocus.com/bid/102311Advisory
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14295
- https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=137ab7d5681486c6d6cc8faac4300b7cd4ec0cf1
- https://lists.debian.org/debian-lts-announce/2019/01/msg00010.htmlAdvisory