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centosCentOS ProjectCESA-2010:0781
HistoryOct 25, 2010 - 12:12 p.m.

seamonkey security update

2010-10-2512:12:58
CentOS Project
lists.centos.org
66

CVSS2

9.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:M/Au:N/C:C/I:C/A:C

EPSS

0.168

Percentile

96.1%

CentOS Errata and Security Advisory CESA-2010:0781

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. (CVE-2010-3173)

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.

Merged security bulletin from advisories:
https://lists.centos.org/pipermail/centos-announce/2010-October/079267.html
https://lists.centos.org/pipermail/centos-announce/2010-October/079268.html
https://lists.centos.org/pipermail/centos-announce/2010-October/079273.html
https://lists.centos.org/pipermail/centos-announce/2010-October/079274.html

Affected packages:
seamonkey
seamonkey-chat
seamonkey-devel
seamonkey-dom-inspector
seamonkey-js-debugger
seamonkey-mail
seamonkey-nspr
seamonkey-nspr-devel
seamonkey-nss
seamonkey-nss-devel

Upstream details at:
https://access.redhat.com/errata/RHSA-2010:0781

CVSS2

9.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:M/Au:N/C:C/I:C/A:C

EPSS

0.168

Percentile

96.1%