lynx: It was found that Lynx doesn't parse the authority component of the URL correctly when the host name part ends with '?', and could instead be tricked into connecting to a different host.

The remote Redhat Enterprise Linux 7 host has one or more packages installed that are affected by multiple vulnerabilities that have been acknowledged by the vendor but will not be patched.

  - lynx: Invalid URL parsing of pages containing '?' (CVE-2016-9179)

  - lynx: Use after free in HTML.c:HTML_put_string() can lead to memory disclosure (CVE-2017-1000211)

Note that Nessus has not tested for these issues but has instead relied on the package manager's report that the package is installed.

The remote Redhat Enterprise Linux 5 host has one or more packages installed that are affected by a vulnerability that has been acknowledged by the vendor but will not be patched.

  - lynx: Invalid URL parsing of pages containing '?' (CVE-2016-9179)

Note that Nessus has not tested for this issue but has instead relied on the package manager's report that the package is installed.

The remote Redhat Enterprise Linux 6 host has one or more packages installed that are affected by a vulnerability that has been acknowledged by the vendor but will not be patched.

  - lynx: Invalid URL parsing of pages containing '?' (CVE-2016-9179)

Note that Nessus has not tested for this issue but has instead relied on the package manager's report that the package is installed.

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.

  - lynx: It was found that Lynx doesn't parse the authority component of the URL correctly when the host name     part ends with '?', and could instead be tricked into connecting to a different host. (CVE-2016-9179)

  - Lynx before 2.8.9dev.16 is vulnerable to a use after free in the HTML parser resulting in memory     disclosure, because HTML_put_string() can append a chunk onto itself. (CVE-2017-1000211)

  - 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 these issues but has instead relied only on the application's self-reported version number.

According to the version of the lynx package installed, the EulerOS installation on the remote host is affected by the following vulnerability :

  - lynx: It was found that Lynx doesn't parse the     authority component of the URL correctly when the host     name part ends with '?', and could instead be tricked     into connecting to a different host.(CVE-2016-9179)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

This update for lynx fixes the following issues :

  - CVE-2016-9179: It was found that Lynx doesn't parse the     authority component of the URL correctly when the host     name part ends with '?', and could instead be tricked     into connecting to a different host. (bsc#1008642)

This update was imported from the SUSE:SLE-12:Update update project.

- update to the latest upstream pre-release (fixes     CVE-2016-9179)

Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website.
Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Oracle reports :

Lynx is vulnerable to POODLE by still supporting vulnerable version of SSL. Lynx is also vulnerable to URL attacks by incorrectly parsing hostnames ending with an '?'.

ID	Name	Product	Family	Severity
199082	RHEL 7 : lynx (Unpatched Vulnerability)	Nessus	Red Hat Local Security Checks	high
199067	RHEL 5 : lynx (Unpatched Vulnerability)	Nessus	Red Hat Local Security Checks	high
199011	RHEL 6 : lynx (Unpatched Vulnerability)	Nessus	Red Hat Local Security Checks	high
183113	Ubuntu 16.04 ESM / 18.04 ESM / 20.04 ESM : Lynx vulnerabilities (USN-4800-1)	Nessus	Ubuntu Local Security Checks	high
140904	EulerOS 2.0 SP3 : lynx (EulerOS-SA-2020-2137)	Nessus	Huawei Local Security Checks	high
97713	openSUSE Security Update : lynx (openSUSE-2017-330)	Nessus	SuSE Local Security Checks	high
97178	Fedora 25 : lynx (2017-c9828b259c)	Nessus	Fedora Local Security Checks	high
96363	FreeBSD : lynx -- multiple vulnerabilities (03532a19-d68e-11e6-9171-14dae9d210b8) (POODLE)	Nessus	FreeBSD Local Security Checks	high

Detections

Analytics

CVE-2016-9179

high

Tenable Plugins

high

high

high

high

high

high

high

high