Vulnerability Report

CVE-2019-18677

Title: Squid-Cache Squid Path Traversal / LFI

Path Traversal / LFI

Proof Of Concept

No public PoC currently indexed for CVE-2019-18677.

CWE Category CWE-352
Published Date Nov 26, 2019
Modified Date Nov 21, 2024
Exploit Status Not Found
Score 6.1 CVSS v3.1
Exploit Probability (EPSS)
7.24%

Vulnerability Summary

CVE-2019-18677: An issue was discovered in Squid 3.x and 4.x through 4.8 when the append_domain setting is used (because the appended characters do not properly interact with hostname length restrictions). Due to incorrect message processing, it can inappropriately redirect traffic to origins it should not be delivered to.

Impacted Vendors

S
squid 1
S
squid-cache 1

Reference Links

http://www.squid-cache.org/Advisories/SQUID-2019_9.txt http://www.squid-cache.org/Versions/v3/3.5/changesets/squid-3.5-e5f1813a674848dde570f7920873e1071f96e0b4.patch http://www.squid-cache.org/Versions/v4/changesets/squid-4-36492033ea4097821a4f7ff3ddcb971fbd1e8ba0.patch https://bugzilla.suse.com/show_bug.cgi?id=1156328 https://github.com/squid-cache/squid/pull/427 https://lists.debian.org/debian-lts-announce/2019/12/msg00011.html https://lists.debian.org/debian-lts-announce/2020/07/msg00009.html https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MTM74TU2BSLT5B3H4F3UDW53672NVLMC/ https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UEMOYTMCCFWK5NOXSXEIH5D2VGWVXR67/ https://usn.ubuntu.com/4213-1/ https://www.debian.org/security/2020/dsa-4682 http://www.squid-cache.org/Advisories/SQUID-2019_9.txt http://www.squid-cache.org/Versions/v3/3.5/changesets/squid-3.5-e5f1813a674848dde570f7920873e1071f96e0b4.patch http://www.squid-cache.org/Versions/v4/changesets/squid-4-36492033ea4097821a4f7ff3ddcb971fbd1e8ba0.patch https://bugzilla.suse.com/show_bug.cgi?id=1156328 https://github.com/squid-cache/squid/pull/427 https://lists.debian.org/debian-lts-announce/2019/12/msg00011.html https://lists.debian.org/debian-lts-announce/2020/07/msg00009.html https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MTM74TU2BSLT5B3H4F3UDW53672NVLMC/ https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UEMOYTMCCFWK5NOXSXEIH5D2VGWVXR67/ https://usn.ubuntu.com/4213-1/ https://www.debian.org/security/2020/dsa-4682
CVSS v3.1
Source Entity [email protected]
Severity MEDIUM
6.1
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
REQUIRED
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
CHANGED
RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CVSS v2.0
Source Entity [email protected]
Severity MEDIUM
5.8
Access Vector
N/A
Authentication
N/A
RAW VECTOR AV:N/AC:M/Au:N/C:P/I:P/A:N

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2019-18677 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK
Complexity LOW
Privileges N/A
Interaction REQUIRED
CVSS Vector String CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected Stack

No specific products linked.