Debian update for golang-1.11



| Updated: 2019-10-27
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2019-17596
CWE-ID CWE-20
Exploitation vector Network
Public exploit N/A
Vulnerable software
 golang-1.11 (Debian package)
Operating systems & Components / Operating system package or component

Vendor Debian

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Input validation error

EUVDB-ID: #VU22020

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-2019-17596

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 DSA public keys in crypto/x509.Verify. A remote attacker can pass a specially crafted X.509 certificate chain to the application and perform a denial of service attack.

Mitigation

Update the affected package to version: 1.11.6-1+deb10u3.

Vulnerable software versions

golang-1.11 (Debian package): 1.11.2-1 - 1.11.13-1

CPE2.3 External links

https://www.debian.org/security/2019/dsa-4551


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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