Ubuntu 10.04 LTS / 11.10 / 12.04 LTS / 12.10 : lynx-cur vulnerabilities (USN-1642-1)

Ubuntu Security Notice (C) 2012-2016 Canonical, Inc. / NASL script (C) 2012-2016 Tenable Network Security, Inc.

Synopsis :

The remote Ubuntu host is missing a security-related patch.

Description :

Dan Rosenberg discovered a heap-based buffer overflow in Lynx. If a
user were tricked into opening a specially crafted page, a remote
attacker could cause a denial of service via application crash, or
possibly execute arbitrary code as the user invoking the program. This
issue only affected Ubuntu 10.04 LTS. (CVE-2010-2810)

It was discovered that Lynx did not properly verify that an HTTPS
certificate was signed by a trusted certificate authority. This could
allow an attacker to perform a 'man in the middle' (MITM) attack which
would make the user believe their connection is secure, but is
actually being monitored. This update changes the behavior of Lynx
such that self-signed certificates no longer validate. Users requiring
the previous behavior can use the 'FORCE_SSL_PROMPT' option in
lynx.cfg. (CVE-2012-5821).

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

Solution :

Update the affected lynx-cur package.

Risk factor :

Medium / CVSS Base Score : 6.8
CVSS Temporal Score : 5.0
Public Exploit Available : false

Family: Ubuntu Local Security Checks

Nessus Plugin ID: 63108 ()

Bugtraq ID: 42316

CVE ID: CVE-2010-2810

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