CVE-2021-38165
Lynx SSL/TLS Client Certificate Disclosure Vulnerability
Description
Lynx through 2.8.9 mishandles the userinfo subcomponent of a URI, which allows remote attackers to discover cleartext credentials because they may appear in SNI data.
INFO
Published Date :
Aug. 7, 2021, 6:15 p.m.
Last Modified :
Nov. 21, 2024, 6:16 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
1.6
Public PoC/Exploit Available at Github
CVE-2021-38165 has a 1 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
Affected Products
The following products are affected by CVE-2021-38165
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-2021-38165.
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).
Various patches for yiffOS packages. Mirror of https://git.yiffos.gay/Core/patches
Shell HTML
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-38165 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-38165 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 af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference http://www.openwall.com/lists/oss-security/2021/08/07/11 Added Reference http://www.openwall.com/lists/oss-security/2021/08/07/12 Added Reference http://www.openwall.com/lists/oss-security/2021/08/07/9 Added Reference https://bugs.debian.org/991971 Added Reference https://github.com/w3c/libwww/blob/f010b4cc58d32f34b162f0084fe093f7097a61f0/Library/src/HTParse.c#L118 Added Reference https://lists.debian.org/debian-lts-announce/2021/08/msg00010.html Added Reference https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7YMUHFJJWTZ6HBHTYXVDPNZINGGURHDW/ Added Reference https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/K6PZF7JNTFCOJ62HXZG4Q2NEHSZ6IO2V/ Added Reference https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VKNK7GQBJBUBMJVNKVC7RTCYWUYMFJQW/ Added Reference https://lynx.invisible-island.net/current/CHANGES.html Added Reference https://www.debian.org/security/2021/dsa-4953 Added Reference https://www.openwall.com/lists/oss-security/2021/08/07/1 Added Reference https://www.openwall.com/lists/oss-security/2021/08/07/11 -
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/VKNK7GQBJBUBMJVNKVC7RTCYWUYMFJQW/ [No types assigned] Added Reference MITRE https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/K6PZF7JNTFCOJ62HXZG4Q2NEHSZ6IO2V/ [No types assigned] Added Reference MITRE https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7YMUHFJJWTZ6HBHTYXVDPNZINGGURHDW/ [No types assigned] Removed Reference MITRE https://lists.fedoraproject.org/archives/list/[email protected]/message/VKNK7GQBJBUBMJVNKVC7RTCYWUYMFJQW/ Removed Reference MITRE https://lists.fedoraproject.org/archives/list/[email protected]/message/K6PZF7JNTFCOJ62HXZG4Q2NEHSZ6IO2V/ Removed Reference MITRE https://lists.fedoraproject.org/archives/list/[email protected]/message/7YMUHFJJWTZ6HBHTYXVDPNZINGGURHDW/ -
Modified Analysis by [email protected]
Dec. 02, 2021
Action Type Old Value New Value Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/7YMUHFJJWTZ6HBHTYXVDPNZINGGURHDW/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/7YMUHFJJWTZ6HBHTYXVDPNZINGGURHDW/ Mailing List, Third Party Advisory Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/K6PZF7JNTFCOJ62HXZG4Q2NEHSZ6IO2V/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/K6PZF7JNTFCOJ62HXZG4Q2NEHSZ6IO2V/ Mailing List, Third Party Advisory Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/VKNK7GQBJBUBMJVNKVC7RTCYWUYMFJQW/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/VKNK7GQBJBUBMJVNKVC7RTCYWUYMFJQW/ Mailing List, Third Party Advisory Added CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Sep. 24, 2021
Action Type Old Value New Value Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/7YMUHFJJWTZ6HBHTYXVDPNZINGGURHDW/ [No Types Assigned] -
CVE Modified by [email protected]
Sep. 20, 2021
Action Type Old Value New Value Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/K6PZF7JNTFCOJ62HXZG4Q2NEHSZ6IO2V/ [No Types Assigned] -
CVE Modified by [email protected]
Sep. 08, 2021
Action Type Old Value New Value Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/VKNK7GQBJBUBMJVNKVC7RTCYWUYMFJQW/ [No Types Assigned] -
Reanalysis by [email protected]
Aug. 24, 2021
Action Type Old Value New Value Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism Removed CVSS V2 NIST (AV:N/AC:L/Au:N/C:P/I:N/A:N) Added CVSS V2 NIST (AV:N/AC:H/Au:N/C:P/I:N/A:N) Removed CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N Added CVSS V3.1 NIST AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N -
Initial Analysis by [email protected]
Aug. 14, 2021
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:P/I:N/A:N) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N Changed Reference Type http://www.openwall.com/lists/oss-security/2021/08/07/11 No Types Assigned http://www.openwall.com/lists/oss-security/2021/08/07/11 Mailing List, Third Party Advisory Changed Reference Type http://www.openwall.com/lists/oss-security/2021/08/07/12 No Types Assigned http://www.openwall.com/lists/oss-security/2021/08/07/12 Mailing List, Third Party Advisory Changed Reference Type http://www.openwall.com/lists/oss-security/2021/08/07/9 No Types Assigned http://www.openwall.com/lists/oss-security/2021/08/07/9 Mailing List, Third Party Advisory Changed Reference Type https://bugs.debian.org/991971 No Types Assigned https://bugs.debian.org/991971 Issue Tracking, Third Party Advisory Changed Reference Type https://github.com/w3c/libwww/blob/f010b4cc58d32f34b162f0084fe093f7097a61f0/Library/src/HTParse.c#L118 No Types Assigned https://github.com/w3c/libwww/blob/f010b4cc58d32f34b162f0084fe093f7097a61f0/Library/src/HTParse.c#L118 Third Party Advisory Changed Reference Type https://lists.debian.org/debian-lts-announce/2021/08/msg00010.html No Types Assigned https://lists.debian.org/debian-lts-announce/2021/08/msg00010.html Mailing List, Third Party Advisory Changed Reference Type https://lynx.invisible-island.net/current/CHANGES.html No Types Assigned https://lynx.invisible-island.net/current/CHANGES.html Release Notes, Third Party Advisory Changed Reference Type https://www.debian.org/security/2021/dsa-4953 No Types Assigned https://www.debian.org/security/2021/dsa-4953 Third Party Advisory Changed Reference Type https://www.openwall.com/lists/oss-security/2021/08/07/1 No Types Assigned https://www.openwall.com/lists/oss-security/2021/08/07/1 Mailing List, Third Party Advisory Changed Reference Type https://www.openwall.com/lists/oss-security/2021/08/07/11 No Types Assigned https://www.openwall.com/lists/oss-security/2021/08/07/11 Mailing List Added CWE NIST CWE-522 Added CPE Configuration OR *cpe:2.3:a:lynx_project:lynx:*:*:*:*:*:*:*:* versions up to (including) 2.8.9 Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Aug. 10, 2021
Action Type Old Value New Value Added Reference https://www.debian.org/security/2021/dsa-4953 [No Types Assigned] -
CVE Modified by [email protected]
Aug. 09, 2021
Action Type Old Value New Value Added Reference https://lists.debian.org/debian-lts-announce/2021/08/msg00010.html [No Types Assigned] -
CVE Modified by [email protected]
Aug. 08, 2021
Action Type Old Value New Value Added Reference http://www.openwall.com/lists/oss-security/2021/08/07/12 [No Types Assigned] Added Reference http://www.openwall.com/lists/oss-security/2021/08/07/11 [No Types Assigned] -
CVE Modified by [email protected]
Aug. 07, 2021
Action Type Old Value New Value Changed Description HTParse in Lynx through 2.8.9 mishandles the userinfo subcomponent of a URI, which allows remote attackers to discover cleartext credentials because they may appear in SNI data or HTTP headers. Lynx through 2.8.9 mishandles the userinfo subcomponent of a URI, which allows remote attackers to discover cleartext credentials because they may appear in SNI data. Removed Reference https://www.openwall.com/lists/oss-security/2021/08/07/7 [No Types Assigned] Added Reference https://www.openwall.com/lists/oss-security/2021/08/07/11 [No Types Assigned] Added Reference http://www.openwall.com/lists/oss-security/2021/08/07/9 [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-2021-38165 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-2021-38165
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
2.89 }} -0.47%
score
0.85640
percentile