CVE-2021-38165

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2021-38165
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.

5.3 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 1.6 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

2.6 /10

CVSS v2.0 : LOW

V2 Legend

Vector : AV:N/AC:H/Au:N/C:P/I:N/A:N

Exploitability : 4.9 / Impact : 2.9

Access Vector NETWORK

Access Complexity HIGH

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

References
Link Resource
http://www.openwall.com/lists/oss-security/2021/08/07/11 Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2021/08/07/12 Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2021/08/07/9 Mailing List Third Party Advisory
https://bugs.debian.org/991971 Issue Tracking Third Party Advisory
https://github.com/w3c/libwww/blob/f010b4cc58d32f34b162f0084fe093f7097a61f0/Library/src/HTParse.c#L118 Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/08/msg00010.html Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7YMUHFJJWTZ6HBHTYXVDPNZINGGURHDW/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/K6PZF7JNTFCOJ62HXZG4Q2NEHSZ6IO2V/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VKNK7GQBJBUBMJVNKVC7RTCYWUYMFJQW/
https://lynx.invisible-island.net/current/CHANGES.html Release Notes Third Party Advisory
https://www.debian.org/security/2021/dsa-4953 Third Party Advisory
https://www.openwall.com/lists/oss-security/2021/08/07/1 Mailing List Third Party Advisory
https://www.openwall.com/lists/oss-security/2021/08/07/11 Mailing List
http://www.openwall.com/lists/oss-security/2021/08/07/11 Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2021/08/07/12 Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2021/08/07/9 Mailing List Third Party Advisory
https://bugs.debian.org/991971 Issue Tracking Third Party Advisory
https://github.com/w3c/libwww/blob/f010b4cc58d32f34b162f0084fe093f7097a61f0/Library/src/HTParse.c#L118 Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/08/msg00010.html Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7YMUHFJJWTZ6HBHTYXVDPNZINGGURHDW/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/K6PZF7JNTFCOJ62HXZG4Q2NEHSZ6IO2V/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VKNK7GQBJBUBMJVNKVC7RTCYWUYMFJQW/
https://lynx.invisible-island.net/current/CHANGES.html Release Notes Third Party Advisory
https://www.debian.org/security/2021/dsa-4953 Third Party Advisory
https://www.openwall.com/lists/oss-security/2021/08/07/1 Mailing List Third Party Advisory
https://www.openwall.com/lists/oss-security/2021/08/07/11 Mailing List
Configurations

Configuration 1 (hide)

cpe:2.3:a:lynx_project:lynx:*:*:*:*:*:*:*:*

Configuration 2 (hide)

OR cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*

Configuration 3 (hide)

OR cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
History

21 Nov 2024, 06:16

Type Values Removed Values Added
References () http://www.openwall.com/lists/oss-security/2021/08/07/11 - Mailing List, Third Party Advisory () http://www.openwall.com/lists/oss-security/2021/08/07/11 - Mailing List, Third Party Advisory
References () http://www.openwall.com/lists/oss-security/2021/08/07/12 - Mailing List, Third Party Advisory () http://www.openwall.com/lists/oss-security/2021/08/07/12 - Mailing List, Third Party Advisory
References () http://www.openwall.com/lists/oss-security/2021/08/07/9 - Mailing List, Third Party Advisory () http://www.openwall.com/lists/oss-security/2021/08/07/9 - Mailing List, Third Party Advisory
References () https://bugs.debian.org/991971 - Issue Tracking, Third Party Advisory () https://bugs.debian.org/991971 - Issue Tracking, Third Party Advisory
References () https://github.com/w3c/libwww/blob/f010b4cc58d32f34b162f0084fe093f7097a61f0/Library/src/HTParse.c#L118 - Third Party Advisory () https://github.com/w3c/libwww/blob/f010b4cc58d32f34b162f0084fe093f7097a61f0/Library/src/HTParse.c#L118 - Third Party Advisory
References () https://lists.debian.org/debian-lts-announce/2021/08/msg00010.html - Mailing List, Third Party Advisory () https://lists.debian.org/debian-lts-announce/2021/08/msg00010.html - Mailing List, Third Party Advisory
References () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7YMUHFJJWTZ6HBHTYXVDPNZINGGURHDW/ - () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7YMUHFJJWTZ6HBHTYXVDPNZINGGURHDW/ -
References () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/K6PZF7JNTFCOJ62HXZG4Q2NEHSZ6IO2V/ - () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/K6PZF7JNTFCOJ62HXZG4Q2NEHSZ6IO2V/ -
References () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VKNK7GQBJBUBMJVNKVC7RTCYWUYMFJQW/ - () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VKNK7GQBJBUBMJVNKVC7RTCYWUYMFJQW/ -
References () https://lynx.invisible-island.net/current/CHANGES.html - Release Notes, Third Party Advisory () https://lynx.invisible-island.net/current/CHANGES.html - Release Notes, Third Party Advisory
References () https://www.debian.org/security/2021/dsa-4953 - Third Party Advisory () https://www.debian.org/security/2021/dsa-4953 - Third Party Advisory
References () https://www.openwall.com/lists/oss-security/2021/08/07/1 - Mailing List, Third Party Advisory () https://www.openwall.com/lists/oss-security/2021/08/07/1 - Mailing List, Third Party Advisory
References () https://www.openwall.com/lists/oss-security/2021/08/07/11 - Mailing List () https://www.openwall.com/lists/oss-security/2021/08/07/11 - Mailing List

02 Dec 2021, 20:37

Type Values Removed Values Added
References (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VKNK7GQBJBUBMJVNKVC7RTCYWUYMFJQW/ - (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VKNK7GQBJBUBMJVNKVC7RTCYWUYMFJQW/ - Mailing List, Third Party Advisory
References (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/7YMUHFJJWTZ6HBHTYXVDPNZINGGURHDW/ - (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/7YMUHFJJWTZ6HBHTYXVDPNZINGGURHDW/ - Mailing List, Third Party Advisory
References (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/K6PZF7JNTFCOJ62HXZG4Q2NEHSZ6IO2V/ - (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/K6PZF7JNTFCOJ62HXZG4Q2NEHSZ6IO2V/ - Mailing List, Third Party Advisory
CPE cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*

24 Sep 2021, 23:15

Type Values Removed Values Added
References
  • (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/7YMUHFJJWTZ6HBHTYXVDPNZINGGURHDW/ -

20 Sep 2021, 15:15

Type Values Removed Values Added
References
  • (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/K6PZF7JNTFCOJ62HXZG4Q2NEHSZ6IO2V/ -

08 Sep 2021, 17:15

Type Values Removed Values Added
References
  • (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VKNK7GQBJBUBMJVNKVC7RTCYWUYMFJQW/ -

24 Aug 2021, 16:35

Type Values Removed Values Added
CVSS v2 : 5.0
v3 : 7.5 		v2 : 2.6
v3 : 5.3

14 Aug 2021, 15:40

Type Values Removed Values Added
CVSS v2 : unknown
v3 : unknown 		v2 : 5.0
v3 : 7.5
References
  • (DEBIAN) https://www.debian.org/security/2021/dsa-4953 - Third Party Advisory
References (MISC) https://lynx.invisible-island.net/current/CHANGES.html - (MISC) https://lynx.invisible-island.net/current/CHANGES.html - Release Notes, Third Party Advisory
References (MLIST) http://www.openwall.com/lists/oss-security/2021/08/07/11 - (MLIST) http://www.openwall.com/lists/oss-security/2021/08/07/11 - Mailing List, Third Party Advisory
References (MISC) https://www.openwall.com/lists/oss-security/2021/08/07/1 - (MISC) https://www.openwall.com/lists/oss-security/2021/08/07/1 - Mailing List, Third Party Advisory
References (MLIST) http://www.openwall.com/lists/oss-security/2021/08/07/12 - (MLIST) http://www.openwall.com/lists/oss-security/2021/08/07/12 - Mailing List, Third Party Advisory
References (MLIST) https://lists.debian.org/debian-lts-announce/2021/08/msg00010.html - (MLIST) https://lists.debian.org/debian-lts-announce/2021/08/msg00010.html - Mailing List, Third Party Advisory
References (MISC) https://github.com/w3c/libwww/blob/f010b4cc58d32f34b162f0084fe093f7097a61f0/Library/src/HTParse.c#L118 - (MISC) https://github.com/w3c/libwww/blob/f010b4cc58d32f34b162f0084fe093f7097a61f0/Library/src/HTParse.c#L118 - Third Party Advisory
References (MLIST) http://www.openwall.com/lists/oss-security/2021/08/07/9 - (MLIST) http://www.openwall.com/lists/oss-security/2021/08/07/9 - Mailing List, Third Party Advisory
References (MISC) https://www.openwall.com/lists/oss-security/2021/08/07/11 - (MISC) https://www.openwall.com/lists/oss-security/2021/08/07/11 - Mailing List
References (MISC) https://bugs.debian.org/991971 - (MISC) https://bugs.debian.org/991971 - Issue Tracking, Third Party Advisory
CWE CWE-522
CPE cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
cpe:2.3:a:lynx_project:lynx:*:*:*:*:*:*:*:*

10 Aug 2021, 11:15

Type Values Removed Values Added
References
  • (MLIST) https://lists.debian.org/debian-lts-announce/2021/08/msg00010.html -

09 Aug 2021, 18:15

Type Values Removed Values Added
References
  • (MLIST) http://www.openwall.com/lists/oss-security/2021/08/07/12 -
  • (MLIST) http://www.openwall.com/lists/oss-security/2021/08/07/11 -

08 Aug 2021, 00:15

Type Values Removed Values Added
References
  • {'url': 'https://www.openwall.com/lists/oss-security/2021/08/07/7', 'name': 'https://www.openwall.com/lists/oss-security/2021/08/07/7', 'tags': [], 'refsource': 'MISC'}
  • (MISC) https://www.openwall.com/lists/oss-security/2021/08/07/11 -
  • (MLIST) http://www.openwall.com/lists/oss-security/2021/08/07/9 -

07 Aug 2021, 21:15

Type Values Removed Values Added
Summary 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.

07 Aug 2021, 18:15

Type Values Removed Values Added
New CVE
Information

Published : 2021-08-07 18:15

Updated : 2024-11-21 06:16

NVD link : CVE-2021-38165

Mitre link : CVE-2021-38165

CVE.ORG link : CVE-2021-38165

JSON object : View

Products Affected

fedoraproject

  • fedora

debian

  • debian_linux

lynx_project

  • lynx
CWE
CWE-522

Insufficiently Protected Credentials