CVE-2021-38165: Medium severity Lynx Project Lynx vulnerability

Published Aug 6, 2021
·
Updated

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.

Affected Software

9 affected componentsFixes available
debian/lynx
2.8.9rel.1-3+deb10u12.9.0dev.6-3~deb11u12.9.0dev.12-1
debian/lynx-cur<=2.8.9dev1-2+deb8u1
debian/lynx<=2.8.9rel.1-3, <=2.8.9dev11-1, <=2.9.0dev.8-1, <=2.9.0dev.6-2
2.9.0dev.9-12.9.0dev.6-32.9.0dev.6-3~deb11u12.8.9rel.1-3+deb10u1
Lynx Project Lynx<=2.8.9
Debian Debian Linux=9.0
Debian Debian Linux=10.0
Fedoraproject Fedora=33
Fedoraproject Fedora=34
Fedoraproject Fedora=35

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade debian/lynx to a version that resolves this vulnerability.

    Fixed in 2.8.9rel.1-3+deb10u1Fixed in 2.9.0dev.6-3~deb11u1Fixed in 2.9.0dev.12-1
  2. Upgrade

    Upgrade debian/lynx to a version that resolves this vulnerability.

    Fixed in 2.9.0dev.9-1Fixed in 2.9.0dev.6-3Fixed in 2.9.0dev.6-3~deb11u1Fixed in 2.8.9rel.1-3+deb10u1

Event History

Aug 7, 2021
CVE Published
via MITRE·05:33 PM
Data Sourced
via MITRE·05:33 PM
Description
Data Sourced
via NVD·06:15 PM
DescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

1

What is the vulnerability ID for this vulnerability?

The vulnerability ID for this vulnerability is CVE-2021-38165.

2

What is the severity of CVE-2021-38165?

The severity of CVE-2021-38165 is medium with a CVSS score of 5.3.

3

What is the affected software?

The affected software is Lynx versions 2.8.9 and prior.

4

How can remote attackers exploit CVE-2021-38165?

Remote attackers can exploit CVE-2021-38165 by discovering cleartext credentials through the mishandling of the userinfo subcomponent of a URI.

5

Are there any known references for CVE-2021-38165?

Yes, there are references available for CVE-2021-38165. You can find them at the following links: [link1](http://www.openwall.com/lists/oss-security/2021/08/07/11), [link2](http://www.openwall.com/lists/oss-security/2021/08/07/12), [link3](http://www.openwall.com/lists/oss-security/2021/08/07/9).

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