CVE-2022-45188

Netatalk through 3.1.13 has an afp_getappl heap-based buffer overflow resulting in code execution via a crafted .appl file. This provides remote root access on some platforms such as FreeBSD (used for TrueNAS).

Netatalk through 3.1.13 has an afp_getappl heap-based buffer overflow resulting in code execution via a crafted .appl file. This provides remote root access on some platforms such as FreeBSD (used for TrueNAS).

Heap overflow leading to arbitrary code execution. (CVE-2021-31439) Buffer overflow leading to remote code execution (CVE-2022-0194) Improper length validation leading to remote code execution (CVE-2022-23121) Buffer overflow leading to remote code execution (CVE-2022-23122) Out-of-bounds read leading to information disclosure (CVE-2022-23123) Out-of-bounds read leading to information disclosure (CVE-2022-23124) Improper length validation leading to remote code execution (CVE-2022-23125) Heap-based buffer overflow in afp_getappl resulting in code execution via a crafted .appl file (CVE-2022-45188)

This update for netatalk fixes the following issues:

• CVE-2022-45188: Fixed heap-based buffer overflow in afp_getappl() (bsc#1205393).

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)