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CVE-2017-17935

Date: December 27, 2017

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.

Language: C

Severity Score

Related Resources (10)

https://lists.debian.org/debian-lts-announce/2019/01/msg00010.html
https://security-tracker.debian.org/tracker/CVE-2017-17935
https://nvd.nist.gov/vuln/detail/CVE-2017-17935
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14295
http://www.securityfocus.com/bid/102311
https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=137ab7d5681486c6d6cc8faac4300b7cd4ec0cf1
https://people.canonical.com/~ubuntu-security/cve/CVE-2017-17935
https://code.wireshark.org/review/#/c/24997/
https://access.redhat.com/security/cve/CVE-2017-17935
https://www.mend.io/vulnerability-database/CVE-2017-17935

Severity Score

Weakness Type (CWE)

Improper Restriction of Operations within the Bounds of a Memory Buffer

CWE-119

Out-of-bounds Read

CWE-125

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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