Input validation error in wireshark (Alpine package)



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2019-13619
CWE-ID CWE-20
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) Input validation error

EUVDB-ID: #VU19319

Risk: Medium

CVSSv4.0: 1.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2019-13619

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

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

The vulnerability exists due to insufficient validation of user-supplied input within the ASN.1 BER dissector in epan/asn1.c. A remote attacker can send malicious traffic to the affected application and perform a denial of service attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

wireshark (Alpine package): 2.4.2-r0 - 3.0.2-r0

CPE2.3 External links

https://git.alpinelinux.org/aports/commit/?id=cbc3b066429afdedd312a1fa857e16d6fc97bddf
https://git.alpinelinux.org/aports/commit/?id=9aefdc0c3b67fe978b7894a044f8dc52b9c8b0bf
https://git.alpinelinux.org/aports/commit/?id=141e382b78aecb26b034a8c1b5e7bcf1fa04121b


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user 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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