CVE-2011-1003: Double Free

Published Feb 23, 2011
·
Updated

Double free vulnerability in the vbareadprojectstrings function in vbaextract.c in libclamav in ClamAV before 0.97 might allow remote attackers to execute arbitrary code via crafted Visual Basic for Applications (VBA) data in a Microsoft Office document. NOTE: some of these details are obtained from third party information.

Affected Software

114 affected components
clamav clamav<=0.96.5
clamav clamav=0.95.2
clamav clamav=0.86.2
clamav clamav=0.88.5
clamav clamav=0.02
clamav clamav=0.92
clamav clamav=0.95-rc2
clamav clamav=0.8-rc3
clamav clamav=0.15
clamav clamav=0.90-rc2
clamav clamav=0.75.1
clamav clamav=0.65
clamav clamav=0.88.7
clamav clamav=0.81
clamav clamav=0.86
clamav clamav=0.01
clamav clamav=0.92_p0
clamav clamav=0.85
clamav clamav=0.84
clamav clamav=0.3
clamav clamav=0.91.2_p0
clamav clamav=0.93.1
clamav clamav=0.90-rc1.1
clamav clamav=0.95.1
clamav clamav=0.93
clamav clamav=0.90
clamav clamav=0.70-rc
clamav clamav=0.86-rc1
clamav clamav=0.68.1
clamav clamav=0.96.4
clamav clamav=0.03
clamav clamav=0.87.1
clamav clamav=0.9-rc1
clamav clamav=0.74
clamav clamav=0.93.3
clamav clamav=0.88
clamav clamav=0.91-rc1
clamav clamav=0.86.1
clamav clamav=0.71
clamav clamav=0.88.1
clamav clamav=0.60p
clamav clamav=0.94
clamav clamav=0.80-rc
clamav clamav=0.91.2
clamav clamav=0.96.3
clamav clamav=0.90.3
clamav clamav=0.85.1
clamav clamav=0.90-rc1
clamav clamav=0.96.2
clamav clamav=0.95-src2
clamav clamav=0.13
clamav clamav=0.81-rc1
clamav clamav=0.10
clamav clamav=0.94.2
clamav clamav=0.96.1
clamav clamav=0.95-src1
clamav clamav=0.80-rc3
clamav clamav=0.90.1_p0
clamav clamav=0.12
clamav clamav=0.88.7_p0
clamav clamav=0.23
clamav clamav=0.84-rc1
clamav clamav=0.90.3_p1
clamav clamav=0.80-rc2
clamav clamav=0.80-rc1
clamav clamav=0.95
clamav clamav=0.60
clamav clamav=0.88.2
clamav clamav=0.83
clamav clamav=0.20
clamav clamav=0.80-rc4
clamav clamav=0.90-rc3
clamav clamav=0.70
clamav clamav=0.88.4
clamav clamav=0.90.3_p0
clamav clamav=0.14
clamav clamav=0.24
clamav clamav=0.96-rc2
clamav clamav=0.90.2_p0
clamav clamav=0.66
clamav clamav=0.51
clamav clamav=0.52
clamav clamav=0.22
clamav clamav=0.72
clamav clamav=0.95-rc1
clamav clamav=0.91-rc2
clamav clamav=0.75
clamav clamav=0.05
clamav clamav=0.96
clamav clamav=0.91
clamav clamav=0.54
clamav clamav=0.96-rc1
clamav clamav=0.80
clamav clamav=0.87
clamav clamav=0.21
clamav clamav=0.84-rc2
clamav clamav=0.88.7_p1
clamav clamav=0.67-1
clamav clamav=0.14-pre
clamav clamav=0.90.1
clamav clamav=0.91.1
clamav clamav=0.95.3
clamav clamav=0.88.3
clamav clamav=0.67
clamav clamav=0.92.1
clamav clamav=0.90.2
clamav clamav=0.68
clamav clamav=0.53
clamav clamav=0.93.2
clamav clamav=0.88.6
clamav clamav=0.94.1
clamav clamav=0.80_rc
clamav clamav=0.82
clamav clamav=0.73

Event History

Feb 23, 2011
CVE Published
via MITRE·06:00 PM
Data Sourced
via MITRE·06:00 PM
Description

Frequently Asked Questions

1

What is the severity of CVE-2011-1003?

CVE-2011-1003 is categorized as a critical vulnerability that could allow remote attackers to execute arbitrary code.

2

How do I fix CVE-2011-1003?

To remediate CVE-2011-1003, you should upgrade to ClamAV versions later than 0.97 which contain patches for this vulnerability.

3

Which versions of ClamAV are affected by CVE-2011-1003?

CVE-2011-1003 affects ClamAV versions prior to 0.97, including versions such as 0.96.5 and earlier.

4

What kind of attack can exploit CVE-2011-1003?

CVE-2011-1003 can be exploited by attackers who send malicious Visual Basic for Applications (VBA) data within Microsoft Office documents.

5

Is user intervention required for CVE-2011-1003 exploitation to succeed?

Yes, successful exploitation of CVE-2011-1003 typically requires the user to open a compromised Microsoft Office document.

Contact

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