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CVE-2023-20052

MEDIUMCVSS 5.3/10EPSS 6.68%

Last modified

CVE-2023-20052 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. On Feb 15, 2023, the following vulnerability in the ClamAV scanning library was disclosed: A vulnerability in the DMG file parser of ClamAV versions 1.0.0 and earlier, 0.105.1 and earlier, and 0.103.7 and earlier could allow an unauthenticated, remote attacker to access sensitive information on an affected device. This vulnerability is due to enabling XML entity substitution that may result in XML external entity injection. An attacker could exploit this vulnerability by submitting a crafted DMG file to be scanned by ClamAV on an affected device. EPSS estimates a 6.68% chance of exploitation in the next 30 days.

Description

On Feb 15, 2023, the following vulnerability in the ClamAV scanning library was disclosed: A vulnerability in the DMG file parser of ClamAV versions 1.0.0 and earlier, 0.105.1 and earlier, and 0.103.7 and earlier could allow an unauthenticated, remote attacker to access sensitive information on an affected device. This vulnerability is due to enabling XML entity substitution that may result in XML external entity injection. An attacker could exploit this vulnerability by submitting a crafted DMG file to be scanned by ClamAV on an affected device. A successful exploit could allow the attacker to leak bytes from any file that may be read by the ClamAV scanning process.

Metrics

CVSS 3.1
5.3/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

EPSS Probability
6.68%

93.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
CiscoSecure Endpoint< 1.20.2
CiscoSecure Endpoint< 1.21.1
CiscoSecure Endpoint< 7.5.9
CiscoSecure Endpoint>= 8.0.1.21160, < 8.1.5
CiscoSecure Endpoint Private Cloud< 3.6.0
ClamavClamav<= 0.103.7
ClamavClamav>= 0.104.0, <= 0.105.1
ClamavClamav1.0.0
StormshieldStormshield Network Security>= 3.0.0, < 3.7.35
StormshieldStormshield Network Security>= 3.8.0, < 3.11.23
StormshieldStormshield Network Security>= 4.3.0, < 4.3.17
StormshieldStormshield Network Security>= 4.4.0, < 4.6.4

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2023-20052?
On Feb 15, 2023, the following vulnerability in the ClamAV scanning library was disclosed: A vulnerability in the DMG file parser of ClamAV versions 1.0.0 and earlier, 0.105.1 and earlier, and 0.103.7 and earlier could allow an unauthenticated, remote attacker to access sensitive information on an affected device. This vulnerability is due to enabling XML entity substitution that may result in XML external entity injection. An attacker could exploit this vulnerability by submitting a crafted DMG file to be scanned by ClamAV on an affected device. A successful exploit could allow the attacker to leak bytes from any file that may be read by the ClamAV scanning process.
How severe is CVE-2023-20052?
CVE-2023-20052 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 6.68% probability of exploitation in the next 30 days.
How do I fix CVE-2023-20052?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-20052?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST