Input validation error in Wireshark
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2019-10895 |
| CWE-ID | CWE-20 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
Wireshark Server applications / IDS/IPS systems, Firewalls and proxy servers Fedora Operating systems & Components / Operating system |
| Vendor |
Wireshark.org Fedoraproject |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
1) Input validation error
EUVDB-ID: #VU33463
Risk: Medium
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2019-10895
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: No
DescriptionThe vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
In Wireshark 2.4.0 to 2.4.13, 2.6.0 to 2.6.7, and 3.0.0, the NetScaler file parser could crash. This was addressed in wiretap/netscaler.c by improving data validation.
MitigationInstall update from vendor's website.
Vulnerable software versionsWireshark: 3.0.0
Fedora: 3.0.0 - 30
External linkshttp://lists.opensuse.org/opensuse-security-announce/2019-05/msg00022.html
http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00027.html
http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00027.html
http://www.securityfocus.com/bid/107834
http://bugs.wireshark.org/bugzilla/show_bug.cgi?id=15497
http://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=2fbbde780e5d5d82e31dca656217daf278cf62bb
http://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=38680c4c69f9f4e0f39e29b66fe2b02d88eb629d
http://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=cab0cff6abdd7a5b5b0bfa4ee204eea951e129e9
http://lists.debian.org/debian-lts-announce/2019/05/msg00034.html
http://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4LYIOOQIMFQ3PA7AFBK4DNXHISTEYUC5/
http://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PU3QA2DUO3XS24QE24CQRP4A4XQQY76R/
http://usn.ubuntu.com/3986-1/
http://www.wireshark.org/security/wnpa-sec-2019-09.html
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
