Wireshark up to 2.6.1 ASN.1 BER Dissector packet-ber.c integer overflow
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
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5.8 | $0-$5k | 0.00 |
A vulnerability was found in Wireshark (Packet Analyzer Software). It has been declared as problematic. This vulnerability affects an unknown functionality of the file epan/dissectors/packet-ber.c of the component ASN.1 BER Dissector. The manipulation with an unknown input leads to a integer overflow vulnerability. The CWE definition for the vulnerability is CWE-190. The product performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control. As an impact it is known to affect availability. CVE summarizes:
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.
The bug was discovered 07/18/2018. The weakness was presented 07/19/2018 as Bug 14682 as confirmed bug report (Bugzilla). The advisory is shared for download at bugs.wireshark.org. This vulnerability was named CVE-2018-14343 since 07/17/2018. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available.
The vulnerability scanner Nessus provides a plugin with the ID 111392 (Debian DLA-1451-1 : wireshark security update), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 277436 (Fedora Security Update for wireshark (FEDORA-2018-9ef52861b5)).
Upgrading eliminates this vulnerability. A possible mitigation has been published 2 weeks after the disclosure of the vulnerability.
The vulnerability is also documented in the vulnerability database at Tenable (111392). See 121944, 121945, 121946 and 121947 for similar entries.
Product
Type
Name
Version
- 2.2.0
- 2.2.1
- 2.2.2
- 2.2.3
- 2.2.4
- 2.2.5
- 2.2.6
- 2.2.7
- 2.2.8
- 2.2.9
- 2.2.10
- 2.2.11
- 2.2.12
- 2.2.13
- 2.2.14
- 2.2.15
- 2.4.0
- 2.4.1
- 2.4.2
- 2.4.3
- 2.4.4
- 2.4.5
- 2.4.6
- 2.4.7
- 2.6.0
- 2.6.1
License
CPE 2.3
CPE 2.2
CVSSv4
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CVSSv3
VulDB Meta Base Score: 5.9VulDB Meta Temp Score: 5.8
VulDB Base Score: 4.3
VulDB Temp Score: 4.1
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VulDB Reliability: 🔍
NVD Base Score: 7.5
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CVSSv2
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Exploiting
Class: Integer overflowCWE: CWE-190 / CWE-189
ATT&CK: Unknown
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
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Nessus ID: 111392
Nessus Name: Debian DLA-1451-1 : wireshark security update
Nessus File: 🔍
Nessus Risk: 🔍
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Qualys ID: 🔍
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
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Countermeasures
Recommended: UpgradeStatus: 🔍
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Patch: 9402f2f80c6bc7d25178a0875c5a1f5ee36361db
Timeline
07/17/2018 🔍07/18/2018 🔍
07/18/2018 🔍
07/18/2018 🔍
07/19/2018 🔍
07/19/2018 🔍
07/29/2018 🔍
07/30/2018 🔍
04/18/2023 🔍
Sources
Product: wireshark.orgAdvisory: Bug 14682
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2018-14343 (🔍)
SecurityTracker: 1041608
SecurityFocus: 104847 - Wireshark Multiple Denial of Service Vulnerabilities
See also: 🔍
Entry
Created: 07/19/2018 09:48Updated: 04/18/2023 14:37
Changes: 07/19/2018 09:48 (76), 03/08/2020 15:34 (5), 04/18/2023 14:37 (6)
Complete: 🔍
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