CVE-2019-18677
Squid DNS Re-Write Vulnerability
Description
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.
INFO
Published Date :
Nov. 26, 2019, 5:15 p.m.
Last Modified :
Nov. 7, 2023, 3:06 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
2.7
Exploitability Score :
2.8
Affected Products
The following products are affected by CVE-2019-18677
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2019-18677.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2019-18677 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2019-18677 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Nov. 07, 2023
Action Type Old Value New Value Added Reference MITRE https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UEMOYTMCCFWK5NOXSXEIH5D2VGWVXR67/ [No types assigned] Added Reference MITRE https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MTM74TU2BSLT5B3H4F3UDW53672NVLMC/ [No types assigned] Removed Reference MITRE https://lists.fedoraproject.org/archives/list/[email protected]/message/UEMOYTMCCFWK5NOXSXEIH5D2VGWVXR67/ Removed Reference MITRE https://lists.fedoraproject.org/archives/list/[email protected]/message/MTM74TU2BSLT5B3H4F3UDW53672NVLMC/ -
CVE Modified by [email protected]
Jul. 11, 2020
Action Type Old Value New Value Added Reference https://lists.debian.org/debian-lts-announce/2020/07/msg00009.html [No Types Assigned] -
CVE Modified by [email protected]
May. 09, 2020
Action Type Old Value New Value Added Reference https://www.debian.org/security/2020/dsa-4682 [No Types Assigned] -
Initial Analysis by [email protected]
Dec. 13, 2019
Action Type Old Value New Value Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:P/I:P/A:N) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Changed Reference Type http://www.squid-cache.org/Advisories/SQUID-2019_9.txt No Types Assigned http://www.squid-cache.org/Advisories/SQUID-2019_9.txt Third Party Advisory Changed Reference Type http://www.squid-cache.org/Versions/v3/3.5/changesets/squid-3.5-e5f1813a674848dde570f7920873e1071f96e0b4.patch No Types Assigned http://www.squid-cache.org/Versions/v3/3.5/changesets/squid-3.5-e5f1813a674848dde570f7920873e1071f96e0b4.patch Release Notes Changed Reference Type http://www.squid-cache.org/Versions/v4/changesets/squid-4-36492033ea4097821a4f7ff3ddcb971fbd1e8ba0.patch No Types Assigned http://www.squid-cache.org/Versions/v4/changesets/squid-4-36492033ea4097821a4f7ff3ddcb971fbd1e8ba0.patch Release Notes Changed Reference Type https://bugzilla.suse.com/show_bug.cgi?id=1156328 No Types Assigned https://bugzilla.suse.com/show_bug.cgi?id=1156328 Issue Tracking, Third Party Advisory Changed Reference Type https://github.com/squid-cache/squid/pull/427 No Types Assigned https://github.com/squid-cache/squid/pull/427 Patch, Third Party Advisory Changed Reference Type https://lists.debian.org/debian-lts-announce/2019/12/msg00011.html No Types Assigned https://lists.debian.org/debian-lts-announce/2019/12/msg00011.html Third Party Advisory Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/MTM74TU2BSLT5B3H4F3UDW53672NVLMC/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/MTM74TU2BSLT5B3H4F3UDW53672NVLMC/ Mailing List, Third Party Advisory Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/UEMOYTMCCFWK5NOXSXEIH5D2VGWVXR67/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/UEMOYTMCCFWK5NOXSXEIH5D2VGWVXR67/ Mailing List, Third Party Advisory Changed Reference Type https://usn.ubuntu.com/4213-1/ No Types Assigned https://usn.ubuntu.com/4213-1/ Third Party Advisory Added CWE NIST CWE-352 Added CPE Configuration OR *cpe:2.3:a:squid-cache:squid:*:*:*:*:*:*:*:* versions from (including) 2.0 up to (including) 2.7 *cpe:2.3:a:squid-cache:squid:2.7:stable2:*:*:*:*:*:* *cpe:2.3:a:squid-cache:squid:2.7:stable3:*:*:*:*:*:* *cpe:2.3:a:squid-cache:squid:2.7:stable4:*:*:*:*:*:* *cpe:2.3:a:squid-cache:squid:2.7:stable5:*:*:*:*:*:* *cpe:2.3:a:squid-cache:squid:2.7:stable6:*:*:*:*:*:* *cpe:2.3:a:squid-cache:squid:2.7:stable7:*:*:*:*:*:* *cpe:2.3:a:squid-cache:squid:2.7:stable8:*:*:*:*:*:* *cpe:2.3:a:squid-cache:squid:2.7:stable9:*:*:*:*:*:* *cpe:2.3:a:squid-cache:squid:*:*:*:*:*:*:*:* versions from (including) 3.0 up to (including) 3.5.28 *cpe:2.3:a:squid-cache:squid:*:*:*:*:*:*:*:* versions from (including) 4.0 up to (including) 4.8 Added CPE Configuration OR *cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:19.04:*:*:*:*:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:* Added CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Dec. 10, 2019
Action Type Old Value New Value Added Reference https://lists.debian.org/debian-lts-announce/2019/12/msg00011.html [No Types Assigned] -
CVE Modified by [email protected]
Dec. 05, 2019
Action Type Old Value New Value Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/MTM74TU2BSLT5B3H4F3UDW53672NVLMC/ [No Types Assigned] -
CVE Modified by [email protected]
Dec. 05, 2019
Action Type Old Value New Value Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/UEMOYTMCCFWK5NOXSXEIH5D2VGWVXR67/ [No Types Assigned] -
CVE Modified by [email protected]
Dec. 04, 2019
Action Type Old Value New Value Added Reference https://usn.ubuntu.com/4213-1/ [No Types Assigned]
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2019-18677 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2019-18677
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.40 }} -0.01%
score
0.73082
percentile