RHEL 3 / 4 : seamonkey (RHSA-2010:0781)

High Nessus Plugin ID 50039


The remote Red Hat host is missing one or more security updates.


Updated SeaMonkey packages that fix several security issues are now available for Red Hat Enterprise Linux 3 and 4.

The Red Hat Security Response Team has rated this update as having critical security impact. Common Vulnerability Scoring System (CVSS) base scores, which give detailed severity ratings, are available for each vulnerability from the CVE links in the References section.

SeaMonkey is an open source web browser, email and newsgroup client, IRC chat client, and HTML editor.

Several flaws were found in the processing of malformed web content. A web page containing malicious content could cause SeaMonkey to crash or, potentially, execute arbitrary code with the privileges of the user running SeaMonkey. (CVE-2010-3176, CVE-2010-3180)

A flaw was found in the way the Gopher parser in SeaMonkey converted text into HTML. A malformed file name on a Gopher server could, when accessed by a victim running SeaMonkey, allow arbitrary JavaScript to be executed in the context of the Gopher domain. (CVE-2010-3177)

A flaw was found in the script that launches SeaMonkey. The LD_LIBRARY_PATH variable was appending a '.' character, which could allow a local attacker to execute arbitrary code with the privileges of a different user running SeaMonkey, if that user ran SeaMonkey from within an attacker-controlled directory. (CVE-2010-3182)

It was found that the SSL DHE (Diffie-Hellman Ephemeral) mode implementation for key exchanges in SeaMonkey accepted DHE keys that were 256 bits in length. This update removes support for 256 bit DHE keys, as such keys are easily broken using modern hardware.

A flaw was found in the way SeaMonkey matched SSL certificates when the certificates had a Common Name containing a wildcard and a partial IP address. SeaMonkey incorrectly accepted connections to IP addresses that fell within the SSL certificate's wildcard range as valid SSL connections, possibly allowing an attacker to conduct a man-in-the-middle attack. (CVE-2010-3170)

All SeaMonkey users should upgrade to these updated packages, which correct these issues. After installing the update, SeaMonkey must be restarted for the changes to take effect.


Update the affected packages.

See Also








Plugin Details

Severity: High

ID: 50039

File Name: redhat-RHSA-2010-0781.nasl

Version: $Revision: 1.20 $

Type: local

Agent: unix

Published: 2010/10/20

Modified: 2017/08/15

Dependencies: 12634

Risk Information

Risk Factor: High


Base Score: 9.3

Temporal Score: 7.7

Vector: CVSS2#AV:N/AC:M/Au:N/C:C/I:C/A:C

Temporal Vector: CVSS2#E:F/RL:OF/RC:ND

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:seamonkey, p-cpe:/a:redhat:enterprise_linux:seamonkey-chat, p-cpe:/a:redhat:enterprise_linux:seamonkey-devel, p-cpe:/a:redhat:enterprise_linux:seamonkey-dom-inspector, p-cpe:/a:redhat:enterprise_linux:seamonkey-js-debugger, p-cpe:/a:redhat:enterprise_linux:seamonkey-mail, p-cpe:/a:redhat:enterprise_linux:seamonkey-nspr, p-cpe:/a:redhat:enterprise_linux:seamonkey-nspr-devel, p-cpe:/a:redhat:enterprise_linux:seamonkey-nss, p-cpe:/a:redhat:enterprise_linux:seamonkey-nss-devel, cpe:/o:redhat:enterprise_linux:3, cpe:/o:redhat:enterprise_linux:4, cpe:/o:redhat:enterprise_linux:4.8

Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/cpu

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 2010/10/19

Reference Information

CVE: CVE-2010-3170, CVE-2010-3173, CVE-2010-3176, CVE-2010-3177, CVE-2010-3180, CVE-2010-3182

BID: 44243, 44248, 44251, 44253

OSVDB: 68853

RHSA: 2010:0781