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Synology Bee 系列
群晖套件导览

Synology-SA-23:01 ClamAV

Publish Time: 2023-02-22 15:13:35 UTC+8

Last Updated: 2023-03-16 09:55:19 UTC+8

Severity
Critical
Status
Resolved

Abstract

Multiple vulnerabilities allow remote attackers to possibly execute arbitrary code or local users to obtain sensitive information via a susceptible version of Antivirus Essential, Synology Mail Server, and Synology MailPlus Server.

Affected Products

Product Severity Fixed Release Availability
Synology MailPlus Server for DSM 7.1 Critical Upgrade to 3.1.0-11318 or above.
Synology MailPlus Server for DSM 7.0 Critical Upgrade to 2.3.5-11084 or above.
Synology MailPlus Server for DSM 6.2 Critical Upgrade to 2.3.5-1084 or above.
Synology Mail Server for DSM 7.1 Critical Upgrade to 1.7.5-10670 or above.
Synology Mail Server for DSM 7.0 Critical Upgrade to 1.7.5-10670 or above.
Synology Mail Server for DSM 6.2 Critical Upgrade to 1.7.5-0660 or above.
Antivirus Essential for DSM 7.1 Important Upgrade to 1.5.4-3099 or above.
Antivirus Essential for DSM 7.0 Important Upgrade to 1.5.4-3099 or above.
Antivirus Essential for DSM 6.2 Important Upgrade to 1.4.9-2805 or above.

Mitigation

None

Detail

  • CVE-2023-20032

    • Severity: Critical
    • CVSS3 Base Score: 9.8
    • CVSS3 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    • On Feb 15, 2023, the following vulnerability in the ClamAV scanning library was disclosed: A vulnerability in the HFS+ partition 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 execute arbitrary code. This vulnerability is due to a missing buffer size check that may result in a heap buffer overflow write. An attacker could exploit this vulnerability by submitting a crafted HFS+ partition file to be scanned by ClamAV on an affected device. A successful exploit could allow the attacker to execute arbitrary code with the privileges of the ClamAV scanning process, or else crash the process, resulting in a denial of service (DoS) condition. For a description of this vulnerability, see the ClamAV blog ["https://blog.clamav.net/"].
  • CVE-2023-20052

    • Severity: Low
    • CVSS3 Base Score: 2.3
    • CVSS3 Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N
    • 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.

Reference

Revision

Revision Date Description
1 2023-02-22 Initial public release.
2 2023-03-02 Disclosed vulnerability details.
3 2023-03-16 Update for Antivirus Essential for DSM 6.2 is now available in Affected Products.