CVE-2023-20197
Published: 17 August 2023
A vulnerability in the filesystem image parser for Hierarchical File System Plus (HFS+) of ClamAV could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to an incorrect check for completion when a file is decompressed, which may result in a loop condition that could cause the affected software to stop responding. An attacker could exploit this vulnerability by submitting a crafted HFS+ filesystem image to be scanned by ClamAV on an affected device. A successful exploit could allow the attacker to cause the ClamAV scanning process to stop responding, resulting in a DoS condition on the affected software and consuming available system resources. For a description of this vulnerability, see the ClamAV blog .
Notes
| Author | Note |
|---|---|
| mdeslaur | per upstream: "This issue affects versions 1.1.0, 1.0.1 through 1.0.0, 0.105.2 through 0.105.0, 0.104.4 through 0.104.0, and 0.103.8 through 0.103.0." |
Priority
Status
| Package | Release | Status |
|---|---|---|
|
clamav Launchpad, Ubuntu, Debian |
bionic |
Released
(0.103.9+dfsg-0ubuntu0.18.04.1+esm1)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only) |
| focal |
Released
(0.103.9+dfsg-0ubuntu0.20.04.1)
|
|
| jammy |
Released
(0.103.9+dfsg-0ubuntu0.22.04.1)
|
|
| lunar |
Released
(0.103.9+dfsg-0ubuntu0.23.04.1)
|
|
| trusty |
Released
(0.103.9+dfsg-0ubuntu0.14.04.1+esm1)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only) |
|
| upstream |
Needs triage
|
|
| xenial |
Released
(0.103.9+dfsg-0ubuntu0.16.04.1+esm1)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only) |
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 7.5 |
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity impact | None |
| Availability impact | High |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |