CVE-2018-14343
UnknownEPSS 3.35%
Last modified
CVE-2018-14343 is a vulnerability of currently unknown severity. In Wireshark 2.6.0 to 2.6.1, 2.4.0 to 2.4.7, and 2.2.0 to 2.2.15, the ASN.1 BER dissector could crash. This was addressed in epan/dissectors/packet-ber.c by ensuring that length values do not exceed the maximum signed integer.. EPSS estimates a 3.35% chance of exploitation in the next 30 days.
Description
In Wireshark 2.6.0 to 2.6.1, 2.4.0 to 2.4.7, and 2.2.0 to 2.2.15, the ASN.1 BER dissector could crash. This was addressed in epan/dissectors/packet-ber.c by ensuring that length values do not exceed the maximum signed integer.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Wireshark | Wireshark | >= 2.2.0, <= 2.2.15 |
| Wireshark | Wireshark | >= 2.4.0, <= 2.4.7 |
| Wireshark | Wireshark | >= 2.6.0, <= 2.6.1 |
| Debian | Debian Linux | 8.0 |
References
- http://www.securityfocus.com/bid/104847Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1041608Third Party Advisory, VDB Entry
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14682Issue Tracking, Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2018/07/msg00045.htmlMailing List, Third Party Advisory
- https://www.wireshark.org/security/wnpa-sec-2018-37.htmlVendor Advisory
- http://www.securityfocus.com/bid/104847Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1041608Third Party Advisory, VDB Entry
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14682Issue Tracking, Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2018/07/msg00045.htmlMailing List, Third Party Advisory
- https://www.wireshark.org/security/wnpa-sec-2018-37.htmlVendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2018-14343?
In Wireshark 2.6.0 to 2.6.1, 2.4.0 to 2.4.7, and 2.2.0 to 2.2.15, the ASN.1 BER dissector could crash. This was addressed in epan/dissectors/packet-ber.c by ensuring that length values do not exceed the maximum signed integer.
How severe is CVE-2018-14343?
Severity scoring for CVE-2018-14343 is pending analysis. The EPSS model estimates a 3.35% probability of exploitation in the next 30 days.
How do I fix CVE-2018-14343?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2018-14343?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST