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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.98%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 3.0
- 7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 2.98% probability · 87th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-125
- Affected
- wireshark/wireshark · debian/debian linux
- Source
- cve@mitre.org
References
- http://www.securityfocus.com/bid/102311Third Party Advisory, VDB Entry
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14295Issue Tracking
- https://code.wireshark.org/review/#/c/24997/Issue Tracking, Patch
- https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=137ab7d5681486c6d6cc8faac4300b7cd4ec0cf1
- https://lists.debian.org/debian-lts-announce/2019/01/msg00010.htmlMailing List, Third Party Advisory
- http://www.securityfocus.com/bid/102311Third Party Advisory, VDB Entry
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14295Issue Tracking
- https://code.wireshark.org/review/#/c/24997/Issue Tracking, Patch
- https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=137ab7d5681486c6d6cc8faac4300b7cd4ec0cf1
- https://lists.debian.org/debian-lts-announce/2019/01/msg00010.htmlMailing List, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.