Memory leak in wireshark (Alpine package)



Published: 2020-12-16
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-26420
CWE-ID CWE-401
Exploitation vector Network
Public exploit N/A
Vulnerable software
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wireshark (Alpine package)
Operating systems & Components / Operating system package or component

Vendor Alpine Linux Development Team

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Memory leak

EUVDB-ID: #VU49035

Risk: Medium

CVSSv3.1: 4.6 [AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-26420

CWE-ID: CWE-401 - Missing release of memory after effective lifetime

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to memory leak within RTPS protocol dissector in Wireshark 3.4.0 and 3.2.0 to 3.2.8 allows denial of service via packet injection or crafted capture file. A remote attacker can perform a denial of service attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

wireshark (Alpine package): 3.4.0-r0

External links

http://git.alpinelinux.org/aports/commit/?id=e3cfd3ec22c0801ced16ea24ddf2884fa1affb03


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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