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.

The remote CentOS Linux 9 host has a package installed that is affected by a vulnerability as referenced in the lynx-2.8.9-18.el9 build changelog.

  - 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)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

It is, therefore, affected by a vulnerability as referenced in the ALAS2023-2024-535 advisory.

  - 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)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote Ubuntu 16.04 ESM / 18.04 ESM / 20.04 ESM host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-4800-1 advisory.

    It was discovered that Lynx incorrectly handled certain URLs. A remote attacker could possibly use this     issue to obtain sensitive information or other unspecified impact. This issue only affected Ubuntu 16.04     ESM. (CVE-2016-9179)

    It was discovered that Lynx incorrectly handled certain HTML files. A remote attacker could possibly use     this issue to obtain sensitive information. This issue only affected Ubuntu 16.04 ESM. (CVE-2017-1000211)

    Thorsten Glaser discovered that Lynx mishandles the userinfo subcomponents of a URI. An attacker     monitoring the network could discover cleartext credentials because they may appear in SNI data.
    (CVE-2021-38165)

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The version of lynx installed on the remote host is prior to 2.8.9-4. It is, therefore, affected by a vulnerability as referenced in the ALAS2-2023-2145 advisory.

  - 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)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote Redhat Enterprise Linux 8 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2022:2129 advisory.

    Lynx is a text-based Web browser. Lynx does not display any images, but it does support frames, tables,     and most other HTML tags.

    Security Fix(es):

    * lynx: Disclosure of HTTP authentication credentials via SNI data (CVE-2021-38165)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and     other related information, refer to the CVE page(s) listed in the References section.

    Additional Changes:

    For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.6 Release Notes     linked from the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote Debian 10 host has packages installed that are affected by a vulnerability as referenced in the dsa-4953 advisory.

  - 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)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote Debian 9 host has packages installed that are affected by a vulnerability as referenced in the dla-2736 advisory.

  - 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)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

ID	Name	Product	Family	Severity
191235	CentOS 9 : lynx-2.8.9-18.el9	Nessus	CentOS Local Security Checks	medium
190741	Amazon Linux 2023 : lynx (ALAS2023-2024-535)	Nessus	Amazon Linux Local Security Checks	medium
183113	Ubuntu 16.04 ESM / 18.04 ESM / 20.04 ESM : Lynx vulnerabilities (USN-4800-1)	Nessus	Ubuntu Local Security Checks	high
178494	Amazon Linux 2 : lynx (ALAS-2023-2145)	Nessus	Amazon Linux Local Security Checks	medium
160999	RHEL 8 : lynx (RHSA-2022:2129)	Nessus	Red Hat Local Security Checks	medium
152395	Debian DSA-4953-1 : lynx - security update	Nessus	Debian Local Security Checks	medium
152383	Debian DLA-2736-1 : lynx - LTS security update	Nessus	Debian Local Security Checks	medium

Detections

Analytics

CVE-2021-38165

medium

Tenable Plugins

medium

medium

high

medium

medium

medium

medium