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Bug 245219 - (CVE-2007-3123) clamav < 0.90.3 multiple vulnerabilities
clamav < 0.90.3 multiple vulnerabilities
Product: Fedora
Classification: Fedora
Component: clamav (Show other bugs)
All Linux
medium Severity medium
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Assigned To: Enrico Scholz
Fedora Extras Quality Assurance
: Security
Depends On:
  Show dependency treegraph
Reported: 2007-06-21 14:38 EDT by Ville Skyttä
Modified: 2007-11-30 17:12 EST (History)
3 users (show)

See Also:
Fixed In Version: clamav-0.91.2-3.fc7
Doc Type: Bug Fix
Doc Text:
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Clone Of:
Last Closed: 2007-11-01 16:34:33 EDT
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Regression: ---
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Documentation: ---
Verified Versions:
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oVirt Team: ---
RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: ---

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Description Ville Skyttä 2007-06-21 14:38:11 EDT
"unsp.c in ClamAV before 0.90.3 and 0.91 before 0.91rc1 does not properly
calculate the end of a certain buffer, with unknown impact and remote attack

"libclamav/others.c in ClamAV before 0.90.3 and 0.91 before 0.91rc1 uses
insecure permissions for temporary files that are created by the
cli_gentempstream function in clamd/clamdscan, which might allow local users to
read sensitive files."

"The parsing engine in ClamAV before 0.90.3 and 0.91 before 0.91rc1 allows
remote attackers to bypass scanning via a RAR file with a header flag value of
10, which can be processed by WinRAR."

"unrar.c in libclamav in ClamAV before 0.90.3 and 0.91 before 0.91rc1 allows
remote attackers to cause a denial of service (core dump) via a crafted RAR file
with a modified vm_codesize value, which triggers a heap-based buffer overflow."

Not checked whether 0.88.x in FC-6 and earlier are affected.
Comment 1 Ville Skyttä 2007-07-19 14:01:22 EDT
One more that I didn't find in Bugzilla and apparently affects 0.90.x series
earlier than 0.90.3:

"File descriptor leak in the PDF handler in Clam AntiVirus (ClamAV) allows
remote attackers to cause a denial of service via a crafted PDF file."
Comment 2 Jan ONDREJ 2007-08-30 03:39:33 EDT
Another problem is, that freshclam is writing to logs this:
Reading CVD header (daily.cvd): Ignoring mirror (too often connection
s with outdated version)

I think updating is not working properly. This does not happen always and I am
unable to reproduce this on other machine.

And last problem, libclamav is loading it's database a long time (aprox. 2-5
minutes). This bug can be also fixed with upgrade to clamav 0.91.

What is the problem with releasing clamav-0.91.2 built in Koji?

How can I help to release clamav updates with less time? My Fedora system is
vulnerable to some vulnerabilities with old clamav. :-(

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