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redhatRedHatRHSA-2009:1066
HistoryMay 26, 2009 - 12:00 a.m.

(RHSA-2009:1066) Important: squirrelmail security update

2009-05-2600:00:00
access.redhat.com
13

6.8 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.016 Low

EPSS

Percentile

85.9%

SquirrelMail is a standards-based webmail package written in PHP.

A server-side code injection flaw was found in the SquirrelMail
“map_yp_alias” function. If SquirrelMail was configured to retrieve a
user’s IMAP server address from a Network Information Service (NIS) server
via the “map_yp_alias” function, an unauthenticated, remote attacker using
a specially-crafted username could use this flaw to execute arbitrary code
with the privileges of the web server. (CVE-2009-1579)

Multiple cross-site scripting (XSS) flaws were found in SquirrelMail. An
attacker could construct a carefully crafted URL, which once visited by an
unsuspecting user, could cause the user’s web browser to execute malicious
script in the context of the visited SquirrelMail web page. (CVE-2009-1578)

It was discovered that SquirrelMail did not properly sanitize Cascading
Style Sheets (CSS) directives used in HTML mail. A remote attacker could
send a specially-crafted email that could place mail content above
SquirrelMail’s controls, possibly allowing phishing and cross-site
scripting attacks. (CVE-2009-1581)

Users of squirrelmail should upgrade to this updated package, which
contains backported patches to correct these issues.

6.8 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.016 Low

EPSS

Percentile

85.9%

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