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Bug#1080962: clamav: CVE-2024-20505 CVE-2024-20506

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Source: clamav
Version: 1.3.1+dfsg-5
Severity: grave
Tags: security upstream
X-Debbugs-Cc: carnil@debian.org, Debian Security Team <team@security.debian.org>
Control: found -1 1.0.5+dfsg-1~deb12u1
Control: found -1 0.103.10+dfsg-0+deb11u1

Hi,

The following vulnerabilities were published for clamav.

CVE-2024-20505[0]:
| A vulnerability in the PDF parsing module of Clam AntiVirus (ClamAV)
| versions 1.4.0, 1.3.2 and prior versions, all 1.2.x versions, 1.0.6
| and prior versions, all 0.105.x versions, all 0.104.x versions, and
| 0.103.11 and all prior versions could allow an unauthenticated,
| remote attacker to cause a denial of service (DoS) condition on an
| affected device.    The vulnerability is due to an out of bounds
| read. An attacker could exploit this vulnerability by submitting a
| crafted PDF file to be scanned by ClamAV on an affected device. An
| exploit could allow the attacker to terminate the scanning process.


CVE-2024-20506[1]:
| A vulnerability in the ClamD service module of Clam AntiVirus
| (ClamAV) versions 1.4.0, 1.3.2 and prior versions, all 1.2.x
| versions, 1.0.6 and prior versions, all 0.105.x versions, all
| 0.104.x versions, and 0.103.11 and all prior versions could allow an
| authenticated, local attacker to corrupt critical system files.
| The vulnerability is due to allowing the ClamD process to write to
| its log file while privileged without checking if the logfile has
| been replaced with a symbolic link. An attacker could exploit this
| vulnerability if they replace the ClamD log file with a symlink to a
| critical system file and then find a way to restart the ClamD
| process. An exploit could allow the attacker to corrupt a critical
| system file by appending ClamD log messages after restart.


If you fix the vulnerabilities please also make sure to include the
CVE (Common Vulnerabilities & Exposures) ids in your changelog entry.

For further information see:

[0] https://security-tracker.debian.org/tracker/CVE-2024-20505
    https://www.cve.org/CVERecord?id=CVE-2024-20505
[1] https://security-tracker.debian.org/tracker/CVE-2024-20506
    https://www.cve.org/CVERecord?id=CVE-2024-20506
[2] https://blog.clamav.net/2024/09/clamav-141-132-107-and-010312-security.html

Regards,
Salvatore

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Bug#1080962: clamav: CVE-2024-20505 CVE-2024-20506 Salvatore Bonaccorso <carnil@debian.org> - 2024-09-06 00:20 +0200

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