Important: clamav

Issue Overview:

Fixed a vulnerability in the ARJ archive-parsing module in ClamAV 0.102.3 that could cause a denial-of-service (DoS) condition. Improper bounds checking resulted in an out-of-bounds read that could cause a crash. The previous fix for this CVE in version 0.102.3 was incomplete. This fix correctly resolves the issue. (CVE-2020-3327)

Fixed a vulnerability a malicious user could exploit to replace a scan target directory with a symlink to another path to trick clamscan, clamdscan, or clamonacc into removing or moving a different file (such as a critical system file). The issue would affect users that use the --move or --remove options for clamscan, clamdscan and clamonacc. (CVE-2020-3350)

Fixed a vulnerability in the EGG archive module in ClamAV 0.102.0 - 0.102.3 that could cause a denial-of-service (DoS) condition. Improper error handling could cause a crash due to a NULL pointer dereference. This vulnerability is mitigated for those using the official ClamAV signature databases because the file type signatures in daily.cvd will not enable the EGG archive parser in affected versions. (CVE-2020-3481)

Affected Packages:

clamav

Issue Correction:
Run yum update clamav to update your system.

New Packages:

i686:  
    clamav-db-0.102.4-1.44.amzn1.i686  
    clamav-debuginfo-0.102.4-1.44.amzn1.i686  
    clamav-update-0.102.4-1.44.amzn1.i686  
    clamd-0.102.4-1.44.amzn1.i686  
    clamav-0.102.4-1.44.amzn1.i686  
    clamav-lib-0.102.4-1.44.amzn1.i686  
    clamav-devel-0.102.4-1.44.amzn1.i686  
    clamav-milter-0.102.4-1.44.amzn1.i686  
  
noarch:  
    clamav-data-0.102.4-1.44.amzn1.noarch  
    clamav-filesystem-0.102.4-1.44.amzn1.noarch  
  
src:  
    clamav-0.102.4-1.44.amzn1.src  
  
x86_64:  
    clamav-devel-0.102.4-1.44.amzn1.x86_64  
    clamav-milter-0.102.4-1.44.amzn1.x86_64  
    clamav-debuginfo-0.102.4-1.44.amzn1.x86_64  
    clamd-0.102.4-1.44.amzn1.x86_64  
    clamav-0.102.4-1.44.amzn1.x86_64  
    clamav-lib-0.102.4-1.44.amzn1.x86_64  
    clamav-update-0.102.4-1.44.amzn1.x86_64  
    clamav-db-0.102.4-1.44.amzn1.x86_64  

Additional References

Red Hat: CVE-2020-3327, CVE-2020-3350, CVE-2020-3481

Mitre: CVE-2020-3327, CVE-2020-3350, CVE-2020-3481