medium
6.8
CWE
399 415
Advisory Published
Updated

CVE-2011-1003: Double Free

First published: Wed Feb 23 2011(Updated: )

Double free vulnerability in the vba_read_project_strings function in vba_extract.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.

Credit: secalert@redhat.com

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

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Reference Links

Frequently Asked Questions

  • 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.

  • 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.

  • 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.

  • 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.

  • 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.

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