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[ GLSA 200908-10 ] Dillo: User-assisted execution of arbitrary code
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GLSA
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PostPosted: Sat Aug 22, 2009 9:26 am    Post subject: [ GLSA 200908-10 ] Dillo: User-assisted execution of arbitra Reply with quote

Gentoo Linux Security Advisory

Title: Dillo: User-assisted execution of arbitrary code (GLSA 200908-10)
Severity: normal
Exploitable: remote
Date: August 18, 2009
Bug(s): #276432
ID: 200908-10

Synopsis


An integer overflow in the PNG handling of Dillo might result in the remote
execution of arbitrary code.


Background


Dillo is a graphical web browser known for its speed and small
footprint.


Affected Packages

Package: www-client/dillo
Vulnerable: < 2.1.1
Unaffected: >= 2.1.1
Architectures: All supported architectures


Description


Tilei Wang reported an integer overflow in the Png_datainfo_callback()
function, possibly leading to a heap-based buffer overflow.


Impact


A remote attacker could entice a user to open an HTML document
containing a specially crafted, large PNG image, possibly resulting in
the execution of arbitrary code with the privileges of the user running
the application.


Workaround


There is no known workaround at this time.


Resolution


All Dillo users should upgrade to the latest version:
Code:
# emerge --sync
    # emerge --ask --oneshot --verbose ">=www-client/dillo-2.1.1"


References

CVE-2009-2294


Last edited by GLSA on Sun Nov 22, 2009 4:29 am; edited 1 time in total
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