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Moderately critical

GIMP Script-Fu Server Buffer Overflow Vulnerability

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Release Date:  2012-06-01    Last Update:  2012-08-03    Views:  6,047

Secunia Advisory SA49314

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Description


Reaction Information Security has discovered a vulnerability in GIMP, which can be exploited by malicious people to compromise a vulnerable system


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Subject: GIMP Script-Fu Server Buffer Overflow Vulnerability

User Message
secunia_psi_user RE: GIMP Script-Fu Server Buffer Overflow Vulnerability
Member 25th Mar, 2013 10:30
Score: 1
Posts: 2
User Since: 25th Mar 2013
System Score: N/A
Location: RU
Last edited on 25th Mar, 2013 10:30
PSI reports GIMP 2.8.4 for Windows is vulnerable:

Technical details about this installation of GIMP 2.x (64-bit), you can use this information to determine why the Secunia PSI detected the program and the security state of it.

Version Detected:
2.8.4.0

Installation Path:
C:\Program Files\GIMP 2\bin\gimp-2.8.exe

Last Inspection of Program:
25th Mar. 2013, 10:27 CET

Is this false positive or not?
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E.Jeppesen RE: GIMP Script-Fu Server Buffer Overflow Vulnerability
Secunia Official 25th Mar, 2013 13:52
Score: 220
Posts: 618
User Since: 24th Nov 2008
System Score: N/A
Location: Copenhagen, DK
Having just installed the latest version of GIMP 2.x I can at least say that this version is correctly detected as patched/up-to-date. Your installation of GIMP 2.x should also be detected as up-to-date since you have version 2.8.4 installed.

If you would like us to examine this detection issue further then you are welcome to send an email to support@secunia.com. Please include a link to this thread and a few screenshots showing the details of what the PSI has detected.
colebantam RE: GIMP Script-Fu Server Buffer Overflow Vulnerability
Member 26th Mar, 2013 13:14
Score: 7
Posts: 8
User Since: 23rd Apr 2010
System Score: N/A
Location: AT
Last edited on 26th Mar, 2013 13:35
(unknown source)
Having just installed the latest version of GIMP 2.x I can at least say that this version is correctly detected as patched/up-to-date. Your installation of GIMP 2.x should also be detected as up-to-date since you have version 2.8.4 installed.


It is not detected as safe. It is detected as 2.8.4.0, but it still says its unsafe, hinting I should "upgrade" to 2.8.0! Do you have installed the "official" windows 2.8.4 build by Sergej or the one from Partha? 32or 64bit Windows? I have the original Windows Build (linked on the gimp.org homepage) on 64Bit Windows 8, and it's detected as unsafe. I'm using PSI2, I guess that doesn't make any difference from 3.x versions?

Update:
Here's what PSI reports on my Gimp:
"The version detected of GIMP 2.x (64-bit) was 2.8.4.0 while the latest version including one or more security fixes is 2.8.0."
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E.Jeppesen RE: GIMP Script-Fu Server Buffer Overflow Vulnerability
Secunia Official 26th Mar, 2013 14:00
Score: 220
Posts: 618
User Since: 24th Nov 2008
System Score: N/A
Location: Copenhagen, DK
@colebantam
When testing I simply used the download link that the PSI provides, which is www.gimp.org/downloads
I just tried again with the same result.

Have you tried to use this exact download link?
uniauxcsi RE: GIMP Script-Fu Server Buffer Overflow Vulnerability
Member 26th Mar, 2013 15:15
Score: 0
Posts: 1
User Since: 26th Mar 2013
System Score: N/A
Location: DE
Last edited on 26th Mar, 2013 15:23
Same problem here with CSI:

Name: GIMP 2.x
Version: 2.8.4.0
State: Insecure
SAID: SA49314

Its a fresh install of GIMP 2.8.4 and it is detected on all PCs installed with this version. It shows the gimp-2.8.exe as Insecure while the two libgtk-win32-2.0-0.dll files are shown as patched.

The GIMP Installer decides if the 32/64 bit version will be installed by the system's architecture. We have the 64bit version installed on our 64bit machines.
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secunia_psi_user RE: GIMP Script-Fu Server Buffer Overflow Vulnerability
Member 27th Mar, 2013 07:43
Score: 1
Posts: 2
User Since: 25th Mar 2013
System Score: N/A
Location: RU
Last edited on 27th Mar, 2013 07:43
Problem is fixed now. After rescan GIMP is not shown as vulnerable.
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colebantam RE: GIMP Script-Fu Server Buffer Overflow Vulnerability
Member 28th Mar, 2013 00:53
Score: 7
Posts: 8
User Since: 23rd Apr 2010
System Score: N/A
Location: AT
(unknown source)
Problem is fixed now. After rescan GIMP is not shown as vulnerable.


Well, it's true that Gimp 2.8.4 isn't erroneously detected as unsafe anymore. But I wouldn't say the issue is fixed, because on my pc, gimp isn't detected anymore at all now?! I haven't touched Gimp since my last post, and let PSI scan my system now. Happy at first look, that score is back to 100%, but then i couldn't find Gimp in the list of patched apps anymore.
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mtodorov RE: GIMP Script-Fu Server Buffer Overflow Vulnerability
Member 28th Mar, 2013 15:19
Score: 12
Posts: 168
User Since: 20th Mar 2009
System Score: N/A
Location: HR
Last edited on 28th Mar, 2013 15:19
I can confirm that I have GIMP 2.8.2 installed and it isn't detected as vulnerable.

Expanding + sign next to GIMP 2.x entry we can see what lies beneath. Secunia PSI 2.0.0.4003 had reverted to detecting libgtk-win32-2.0-0.dll library.

(unknown source)

C:\Program Files\GIMP 2\bin\libgtk-win32-2.0-0.dll, version 2.24.10.0


Does this mean that GIMP may be erroneously detected? Probably, yes. libGTK is very common in GNOME apps.

Hope this helps.

Regards,
mt


--
"If a task is worth doing, it is worth doing right. If it is not worth doing well, it is not worth doing." -- Dr. Jack Hyles
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