Vulnerability CVE-2019-15892
Published: 2019-09-03

Description:
An issue was discovered in Varnish Cache before 6.0.4 LTS, and 6.1.x and 6.2.x before 6.2.1. An HTTP/1 parsing failure allows a remote attacker to trigger an assert by sending crafted HTTP/1 requests. The assert will cause an automatic restart with a clean cache, which makes it a Denial of Service attack.

Type:

CWE-20

 (Improper Input Validation)

CVSS2 => (AV:N/AC:L/Au:N/C:N/I:N/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.8/10
6.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Complete
Affected software
Varnish-cache -> Varnish 
Debian -> Debian linux 

 References:
http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00069.html
http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00089.html
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KLSF54TDJWJLINIFEW5V5BKDNY5EQRR3/
https://seclists.org/bugtraq/2019/Sep/5
https://varnish-cache.org/security/VSV00003.html
https://www.debian.org/security/2019/dsa-4514
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