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AUSCERT External Security Bulletin Redistribution
ESB-2023.3300
USN-6146-1: Netatalk vulnerabilities
9 June 2023
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AusCERT Security Bulletin Summary
---------------------------------
Product: Netatalk
Publisher: Ubuntu
Operating System: Ubuntu
Resolution: Patch/Upgrade
CVE Names: CVE-2022-45188 CVE-2022-43634 CVE-2022-23125
CVE-2022-23124 CVE-2022-23123 CVE-2022-23122
CVE-2022-23121 CVE-2022-0194 CVE-2021-31439
Original Bulletin:
https://ubuntu.com/security/notices/USN-6146-1
Comment: CVSS (Max): 9.8 CVE-2022-43634 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
CVSS Source: NVD
Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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USN-6146-1: Netatalk vulnerabilities
8 June 2023
Several security issues were fixed in Netatalk.
Releases
o Ubuntu 22.10
o Ubuntu 22.04 LTS
o Ubuntu 20.04 LTS
o Ubuntu 18.04 ESM
o Ubuntu 16.04 ESM
o Ubuntu 14.04 ESM
Packages
o netatalk - Apple Filing Protocol service
Details
It was discovered that Netatalk did not properly validate the length of
user-supplied data in the DSI structures. A remote attacker could possibly
use this issue to execute arbitrary code with the privileges of the user
invoking the programs. This issue only affected Ubuntu 20.04 LTS and Ubuntu
22.04 LTS. ( CVE-2021-31439 )
It was discovered that Netatalk did not properly validate the length of
user-supplied data in the ad_addcomment function. A remote attacker could
possibly use this issue to execute arbitrary code with root privileges.
This issue only affected Ubuntu 20.04 LTS and Ubuntu 22.04 LTS.
( CVE-2022-0194 )
It was discovered that Netatalk did not properly handle errors when parsing
AppleDouble entries. A remote attacker could possibly use this issue to
execute arbitrary code with root privileges. This issue only affected
Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, Ubuntu 20.04 LTS and
Ubuntu 22.04 LTS. ( CVE-2022-23121 )
It was discovered that Netatalk did not properly validate the length of
user-supplied data in the setfilparams function. A remote attacker could
possibly use this issue to execute arbitrary code with root privileges.
This issue only affected Ubuntu 20.04 LTS and Ubuntu 22.04 LTS.
( CVE-2022-23122 )
It was discovered that Netatalk did not properly validate the length of
user-supplied data in the getdirparams function. A remote attacker could
possibly use this issue to execute arbitrary code with root privileges.
This issue only affected Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, Ubuntu 18.04
LTS, Ubuntu 20.04 LTS and Ubuntu 22.04 LTS. ( CVE-2022-23123 )
It was discovered that Netatalk did not properly validate the length of
user-supplied data in the get_finderinfo function. A remote attacker could
possibly use this issue to execute arbitrary code with root privileges.
This issue only affected Ubuntu 20.04 LTS and Ubuntu 22.04 LTS.
( CVE-2022-23124 )
It was discovered that Netatalk did not properly validate the length of
user-supplied data in the copyapplfile function. A remote attacker could
possibly use this issue to execute arbitrary code with root privileges.
This issue only affected Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, Ubuntu 18.04
LTS, Ubuntu 20.04 LTS and Ubuntu 22.04 LTS. ( CVE-2022-23125 )
It was discovered that Netatalk did not properly validate the length of
user-supplied data in the dsi_writeinit function. A remote attacker could
possibly use this issue to execute arbitrary code with root privileges.
This issue only affected Ubuntu 20.04 LTS, Ubuntu 22.04 LTS and Ubuntu
22.10. ( CVE-2022-43634 )
It was discovered that Netatalk did not properly manage memory under
certain circumstances. If a user were tricked into opening a specially
crafted .appl file, a remote attacker could possibly use this issue to
execute arbitrary code. ( CVE-2022-45188 )
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Update instructions
The problem can be corrected by updating your system to the following package
versions:
Ubuntu 22.10
o netatalk - 3.1.13~ds-2ubuntu0.22.10.1
Ubuntu 22.04
o netatalk - 3.1.12~ds-9ubuntu0.22.04.1
Ubuntu 20.04
o netatalk - 3.1.12~ds-4ubuntu0.20.04.1
Ubuntu 18.04
o netatalk - 2.2.6-1ubuntu0.18.04.2+esm1
Available with Ubuntu Pro
Ubuntu 16.04
o netatalk - 2.2.5-1ubuntu0.2+esm1
Available with Ubuntu Pro
Ubuntu 14.04
o netatalk - 2.2.2-1ubuntu2.2+esm1
Available with Ubuntu Pro
In general, a standard system update will make all the necessary changes.
References
o CVE-2022-23123
o CVE-2022-43634
o CVE-2022-23122
o CVE-2021-31439
o CVE-2022-23121
o CVE-2022-23124
o CVE-2022-23125
o CVE-2022-0194
o CVE-2022-45188
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