CVE-2021-38165

Published on: 08/07/2021 12:00:00 AM UTC

Last Modified on: 09/24/2021 11:15:00 PM UTC

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N

Certain versions of Debian Linux from Debian contain the following vulnerability:

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.

  • CVE-2021-38165 has been assigned by URL Logo [email protected] to track the vulnerability - currently rated as MEDIUM severity.

CVSS3 Score: 5.3 - MEDIUM

Attack
Vector
Attack
Complexity
Privileges
Required
User
Interaction
NETWORK HIGH NONE REQUIRED
Scope Confidentiality
Impact
Integrity
Impact
Availability
Impact
UNCHANGED HIGH NONE NONE

CVSS2 Score: 2.6 - LOW

Access
Vector
Access
Complexity
Authentication
NETWORK HIGH NONE
Confidentiality
Impact
Integrity
Impact
Availability
Impact
PARTIAL NONE NONE

CVE References

Description Tags Link
oss-security - Re: [Lynx-dev] bug in Lynx' SSL certificate validation -> leaks password in clear text via SNI (under some circumstances) www.openwall.com
text/html
URL Logo MISC www.openwall.com/lists/oss-security/2021/08/07/1
Debian -- Security Information -- DSA-4953-1 lynx www.debian.org
Depreciated Link
text/html
URL Logo DEBIAN DSA-4953
[SECURITY] Fedora 33 Update: lynx-2.8.9-13.fc33 - package-announce - Fedora Mailing-Lists lists.fedoraproject.org
text/html
URL Logo FEDORA FEDORA-2021-232161e4d5
libwww/HTParse.c at f010b4cc58d32f34b162f0084fe093f7097a61f0 · w3c/libwww · GitHub github.com
text/html
URL Logo MISC github.com/w3c/libwww/blob/f010b4cc58d32f34b162f0084fe093f7097a61f0/Library/src/HTParse.c#L118
oss-security - Re: Re: Bug#991971: [Lynx-dev] bug in Lynx' SSL certificate validation -> leaks password in clear text via SNI (under some circumstances) www.openwall.com
text/html
URL Logo MLIST [oss-security] 20210807 Re: Re: Bug#991971: [Lynx-dev] bug in Lynx' SSL certificate validation -> leaks password in clear text via SNI (under some circumstances)
lynx for LYNX lynx.invisible-island.net
text/html
URL Logo MISC lynx.invisible-island.net/current/CHANGES.html
#991971 - lynx: SSL certificate validation fails with URLs containing user name or user name and password, i.e. https://user:[email protected]/ and https://[email protected]/; leaks password in clear text via SNI - Debian Bug report logs bugs.debian.org
text/html
URL Logo MISC bugs.debian.org/991971
oss-security - Re: Re: [Lynx-dev] bug in Lynx' SSL certificate validation -> leaks password in clear text via SNI (under some circumstances) www.openwall.com
text/html
URL Logo MISC www.openwall.com/lists/oss-security/2021/08/07/7
oss-security - Re: Re: Bug#991971: [Lynx-dev] bug in Lynx' SSL certificate validation -> leaks password in clear text via SNI (under some circumstances) www.openwall.com
text/html
URL Logo MISC www.openwall.com/lists/oss-security/2021/08/07/11
oss-security - Re: Re: Bug#991971: [Lynx-dev] bug in Lynx' SSL certificate validation -> leaks password in clear text via SNI (under some circumstances) www.openwall.com
text/html
URL Logo MLIST [oss-security] 20210807 Re: Re: Bug#991971: [Lynx-dev] bug in Lynx' SSL certificate validation -> leaks password in clear text via SNI (under some circumstances)
[SECURITY] Fedora 35 Update: lynx-2.8.9-13.fc35 - package-announce - Fedora Mailing-Lists lists.fedoraproject.org
text/html
URL Logo FEDORA FEDORA-2021-57287bd052
[SECURITY] Fedora 34 Update: lynx-2.8.9-13.fc34 - package-announce - Fedora Mailing-Lists lists.fedoraproject.org
text/html
URL Logo FEDORA FEDORA-2021-f59bda7d94
oss-security - Re: Bug#991971: [Lynx-dev] bug in Lynx' SSL certificate validation -> leaks password in clear text via SNI (under some circumstances) www.openwall.com
text/html
URL Logo MLIST [oss-security] 20210807 Re: Bug#991971: [Lynx-dev] bug in Lynx' SSL certificate validation -> leaks password in clear text via SNI (under some circumstances)
[SECURITY] [DLA 2736-1] lynx security update lists.debian.org
text/html
URL Logo MLIST [debian-lts-announce] 20210809 [SECURITY] [DLA 2736-1] lynx security update

Related QID Numbers

  • 178747 Debian Security Update for lynx (DSA 4953-1)
  • 178748 Debian Security Update for lynx (DLA 2736-1)
  • 281890 Fedora Security Update for lynx (FEDORA-2021-f59bda7d94)
  • 281918 Fedora Security Update for lynx (FEDORA-2021-232161e4d5)

Known Affected Configurations (CPE V2.3)

Type Vendor Product Version Update Edition Language
Operating
System
DebianDebian Linux10.0AllAllAll
Operating
System
DebianDebian Linux9.0AllAllAll
ApplicationLynx ProjectLynxAllAllAllAll
  • cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*:
  • cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*:
  • cpe:2.3:a:lynx_project:lynx:*:*:*:*:*:*:*:*:

Social Mentions

Source Title Posted (UTC)
Twitter Icon @CVEreport CVE-2021-38165 : HTParse in Lynx through 2.8.9 mishandles the userinfo subcomponent of a URI, which allows remote a… twitter.com/i/web/status/1… 2021-08-07 18:05:30
Twitter Icon @0_exploit CVE-2021-38165 dlvr.it/S5DX2P 2021-08-07 21:20:32
Twitter Icon @threatmeter CVE-2021-38165 Lynx through 2.8.9 mishandles the userinfo subcomponent of a URI, which allows remote attackers to d… twitter.com/i/web/status/1… 2021-08-08 07:09:32
© CVE.report 2021 Twitter Nitter Twitter Viewer |

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