CVE-2017-17935

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.

Category

7.5
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.58%
Third-Party Advisory securityfocus.com Third-Party Advisory debian.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14295 issue tracking
https://code.wireshark.org/review/#/c/24997/ patch issue tracking
https://lists.debian.org/debian-lts-announce/2019/01/msg00010.html third party advisory mailing list
http://www.securityfocus.com/bid/102311 third party advisory vdb entry
https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=137ab7d5681486c6d6cc8faac4300b7cd4ec0cf1

Frequently Asked Questions

What is the severity of CVE-2017-17935?
CVE-2017-17935 has been scored as a high severity vulnerability.
How to fix CVE-2017-17935?
To fix CVE-2017-17935, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-17935 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2017-17935 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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