Fedora 29 update for varnish

Published: 2019-09-18 | Updated: 2025-04-25

Risk	Low
Patch available	YES
Number of vulnerabilities	1
CVE-ID	CVE-2019-15892
CWE-ID	CWE-617
Exploitation vector	Network
Public exploit	N/A
Vulnerable software	Fedora Operating systems & Components / Operating system varnish Operating systems & Components / Operating system package or component
Vendor	Fedoraproject

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Reachable Assertion

EUVDB-ID: #VU20863

Risk: Low

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

CVE-ID: CVE-2019-15892

CWE-ID: CWE-617 - Reachable Assertion

Exploit availability: No

Description

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

The vulnerability exists due to a reachable assertion when parsing HTTP/1 requests. A remote attacker can send specially crafted HTTP/1 requests to the affected server and trigger application restart, resulting in a denial of service (DoS) attack.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

Fedora: 29

varnish: before 6.0.4-3.fc29

CPE2.3

External links

https://bodhi.fedoraproject.org/updates/FEDORA-2019-8a85a90af6

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.