CVE-2021-38165
Published: 7 August 2021
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.
Priority
Status
Package | Release | Status |
---|---|---|
lynx Launchpad, Ubuntu, Debian |
bionic |
Released
(2.8.9dev16-3ubuntu0.1~esm1)
Available with Ubuntu Pro |
focal |
Released
(2.9.0dev.5-1ubuntu0.1~esm1)
Available with Ubuntu Pro |
|
hirsute |
Ignored
(end of life)
|
|
impish |
Not vulnerable
(2.9.0dev.6-3)
|
|
jammy |
Not vulnerable
(2.9.0dev.6-3)
|
|
kinetic |
Not vulnerable
(2.9.0dev.6-3)
|
|
lunar |
Not vulnerable
(2.9.0dev.6-3)
|
|
mantic |
Not vulnerable
(2.9.0dev.6-3)
|
|
noble |
Not vulnerable
(2.9.0dev.6-3)
|
|
trusty |
Does not exist
|
|
upstream |
Released
(2.9.0dev.6-3)
|
|
xenial |
Released
(2.8.9dev8-4ubuntu1+esm2)
Available with Ubuntu Pro |
Severity score breakdown
Parameter | Value |
---|---|
Base score | 5.3 |
Attack vector | Network |
Attack complexity | High |
Privileges required | None |
User interaction | Required |
Scope | Unchanged |
Confidentiality | High |
Integrity impact | None |
Availability impact | None |
Vector | CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N |
References
- https://lists.nongnu.org/archive/html/lynx-dev/2021-08/msg00002.html
- https://lynx.invisible-island.net/current/CHANGES.html#v2.9.0dev.9
- https://invisible-mirror.net/archives/lynx/patches/lynx2.9.0dev.9.patch.gz
- https://www.openwall.com/lists/oss-security/2021/08/07/1
- https://github.com/w3c/libwww/blob/f010b4cc58d32f34b162f0084fe093f7097a61f0/Library/src/HTParse.c#L118
- https://lynx.invisible-island.net/current/CHANGES.html
- https://bugs.debian.org/991971
- https://www.openwall.com/lists/oss-security/2021/08/07/11
- http://www.openwall.com/lists/oss-security/2021/08/07/9
- https://ubuntu.com/security/notices/USN-4800-1
- https://www.cve.org/CVERecord?id=CVE-2021-38165
- NVD
- Launchpad
- Debian