VulnerabilityModified
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.
MEDIUM 5.3EPSS 4.10%
Does this matter?
Lower severity and a low EPSS score (4.10%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 3.1
- 5.3 MEDIUMCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N
- EPSS
- 4.10% probability · 90th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-522
- Affected
- lynx project/lynx · debian/debian linux · fedoraproject/fedora
- Source
- cve@mitre.org
References
- http://www.openwall.com/lists/oss-security/2021/08/07/11Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2021/08/07/12Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2021/08/07/9Mailing List, Third Party Advisory
- https://bugs.debian.org/991971Issue Tracking, Third Party Advisory
- https://github.com/w3c/libwww/blob/f010b4cc58d32f34b162f0084fe093f7097a61f0/Library/src/HTParse.c#L118Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/08/msg00010.htmlMailing 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.htmlRelease Notes, Third Party Advisory
- https://www.debian.org/security/2021/dsa-4953Third Party Advisory
- https://www.openwall.com/lists/oss-security/2021/08/07/1Mailing List, Third Party Advisory
- https://www.openwall.com/lists/oss-security/2021/08/07/11Mailing List
- http://www.openwall.com/lists/oss-security/2021/08/07/11Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2021/08/07/12Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2021/08/07/9Mailing List, Third Party Advisory
- https://bugs.debian.org/991971Issue Tracking, Third Party Advisory
- https://github.com/w3c/libwww/blob/f010b4cc58d32f34b162f0084fe093f7097a61f0/Library/src/HTParse.c#L118Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/08/msg00010.htmlMailing 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.htmlRelease Notes, Third Party Advisory
- https://www.debian.org/security/2021/dsa-4953Third Party Advisory
- https://www.openwall.com/lists/oss-security/2021/08/07/1Mailing List, Third Party Advisory
- https://www.openwall.com/lists/oss-security/2021/08/07/11Mailing List
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.