Vulnerability Details : 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.
Products affected by CVE-2021-38165
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
- cpe:2.3:a:lynx_project:lynx:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-38165
0.88%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 83 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-38165
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
2.6
|
LOW | AV:N/AC:H/Au:N/C:P/I:N/A:N |
4.9
|
2.9
|
NIST | |
5.3
|
MEDIUM | CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N |
1.6
|
3.6
|
NIST |
CWE ids for CVE-2021-38165
-
The product transmits or stores authentication credentials, but it uses an insecure method that is susceptible to unauthorized interception and/or retrieval.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-38165
-
http://www.openwall.com/lists/oss-security/2021/08/07/12
oss-security - Re: Re: Bug#991971: [Lynx-dev] bug in Lynx' SSL certificate validation -> leaks password in clear text via SNI (under some circumstances)Mailing List;Third Party Advisory
-
https://www.openwall.com/lists/oss-security/2021/08/07/1
oss-security - Re: [Lynx-dev] bug in Lynx' SSL certificate validation -> leaks password in clear text via SNI (under some circumstances)Mailing List;Third Party Advisory
-
https://lists.debian.org/debian-lts-announce/2021/08/msg00010.html
[SECURITY] [DLA 2736-1] lynx security updateMailing List;Third Party Advisory
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/K6PZF7JNTFCOJ62HXZG4Q2NEHSZ6IO2V/
[SECURITY] Fedora 33 Update: lynx-2.8.9-13.fc33 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
-
https://bugs.debian.org/991971
#991971 - lynx: [CVE-2021-38165] SSL certificate validation fails with URLs containing user name or user name and password, i.e. https://user:password@host/ and https://user@host/\; leaks password inIssue Tracking;Third Party Advisory
-
http://www.openwall.com/lists/oss-security/2021/08/07/9
oss-security - Re: Bug#991971: [Lynx-dev] bug in Lynx' SSL certificate validation -> leaks password in clear text via SNI (under some circumstances)Mailing List;Third Party Advisory
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VKNK7GQBJBUBMJVNKVC7RTCYWUYMFJQW/
[SECURITY] Fedora 34 Update: lynx-2.8.9-13.fc34 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
-
https://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)Mailing List
-
https://www.debian.org/security/2021/dsa-4953
Debian -- Security Information -- DSA-4953-1 lynxThird Party Advisory
-
https://github.com/w3c/libwww/blob/f010b4cc58d32f34b162f0084fe093f7097a61f0/Library/src/HTParse.c#L118
libwww/HTParse.c at f010b4cc58d32f34b162f0084fe093f7097a61f0 · w3c/libwww · GitHubThird Party Advisory
-
https://lynx.invisible-island.net/current/CHANGES.html
lynx for LYNXRelease Notes;Third Party Advisory
-
http://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)Mailing List;Third Party Advisory
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/7YMUHFJJWTZ6HBHTYXVDPNZINGGURHDW/
[SECURITY] Fedora 35 Update: lynx-2.8.9-13.fc35 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
Jump to