CVE-2019-12522
—CVSS 3.1
4.5 medium
EPSS
<1%p28
Published
()
Modified
Description
An issue was discovered in Squid through 4.7. When Squid is run as root, it spawns its child processes as a lesser user, by default the user nobody. This is done via the leave_suid call. leave_suid leaves the Saved UID as 0. This makes it trivial for an attacker who has compromised the child process to escalate their privileges back to root.
- Vendors
- squid-cache
- Products
- squid
- Weakness
- CWE-269
- Vector
- CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L
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