Memory leak in wireshark (Alpine package)



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-9431
CWE-ID CWE-401
Exploitation vector Network
Public exploit N/A
Vulnerable software
 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: #VU25642

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2020-9431

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

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform DoS attack on the target system.

The vulnerability exists due memory leak in LTE RRC dissector within "epan/dissectors/packet-lte-rrc.c". A remote attacker can pass specially crafted data to the application and perform denial of service attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

wireshark (Alpine package): 2.6.2-r0 - 3.0.8-r0

CPE2.3 External links

https://git.alpinelinux.org/aports/commit/?id=ab830b3f447d2a610a5b4af655787e7c1a2a1a27
https://git.alpinelinux.org/aports/commit/?id=7dda53dda2a2bc455236263e82c522fde5230cc7


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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