CVE-2019-18679
7.5
HIGH
CVSS 3.1
EPSS 44.1%
Description
An issue was discovered in Squid 2.x, 3.x, and 4.x through 4.8. Due to incorrect data management, it is vulnerable to information disclosure when processing HTTP Digest Authentication. Nonce tokens contain the raw byte value of a pointer that sits within heap memory allocation. This information reduces ASLR protections and may aid attackers isolating memory areas to target for remote code execution attacks.
How to fix CVE-2019-18679
To remediate CVE-2019-18679, upgrade the affected package to a fixed version below.
- —upgrade to 4.8-r1 or later
- —upgrade to 4.9-1 or later
Is CVE-2019-18679 being exploited?
Moderate — EPSS is 44.1%. Track this CVE but it's not at the top of the prioritisation list.
Affected packages (2)
- from 0, < 4.8-r1
- from 0, < 4.9-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |