Multiple vulnerabilities in Netatalk
Security Bulletin
This security bulletin contains information about 3 vulnerabilities.
1) Off-by-one
EUVDB-ID: #VU93512
Risk: High
CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]
CVE-ID: CVE-2024-38439
CWE-ID:
CWE-193 - Off-by-one Error
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to an off-by-one error within the setting ibuf[PASSWDLEN] to "\0" in FPLoginExt in login in etc/uams/uams_pam.c. A remote attacker can trigger an off-by-one error and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
MitigationInstall update from vendor's website.
Vulnerable software versionsNetatalk: 2.4.0 - 3.2.0
CPE2.3- cpe:2.3:a:netatalk:netatalk:2.4.0:*:*:*:*:*:*:*
- cpe:2.3:a:netatalk:netatalk:3.1:*:*:*:*:*:*:*
- cpe:2.3:a:netatalk:netatalk:3.1.0:*:*:*:*:*:*:*
https://github.com/Netatalk/netatalk/issues/1096
https://github.com/Netatalk/netatalk/blob/90d91a9ac9a7d6132ab7620d31c8c23400949206/etc/uams/uams_pam.c#L316
https://github.com/Netatalk/netatalk/security/advisories/GHSA-8r68-857c-4rqc
https://netatalk.io/security/CVE-2024-38439
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
2) Off-by-one
EUVDB-ID: #VU93516
Risk: High
CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]
CVE-ID: CVE-2024-38440
CWE-ID:
CWE-193 - Off-by-one Error
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to an off-by-one error within the FPLoginExt in BN_bin2bn in etc/uams/uams_dhx_pam.c. A remote attacker can trigger an off-by-one error and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
MitigationInstall update from vendor's website.
Vulnerable software versionsNetatalk: 2.4.0 - 3.2.0
CPE2.3- cpe:2.3:a:netatalk:netatalk:2.4.0:*:*:*:*:*:*:*
- cpe:2.3:a:netatalk:netatalk:3.1:*:*:*:*:*:*:*
- cpe:2.3:a:netatalk:netatalk:3.1.0:*:*:*:*:*:*:*
https://github.com/Netatalk/netatalk/issues/1097
https://github.com/Netatalk/netatalk/blob/90d91a9ac9a7d6132ab7620d31c8c23400949206/etc/uams/uams_dhx_pam.c#L199-L200
https://github.com/Netatalk/netatalk/security/advisories/GHSA-mxx4-9fhm-r3w5
https://netatalk.io/security/CVE-2024-38440
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
3) Off-by-one
EUVDB-ID: #VU93517
Risk: High
CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]
CVE-ID: CVE-2024-38441
CWE-ID:
CWE-193 - Off-by-one Error
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to an off-by-one error within the ibuf[len] to "\0" in FPMapName in afp_mapname in etc/afpd/directory.c. A remote attacker can trigger an off-by-one error and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
MitigationInstall update from vendor's website.
Vulnerable software versionsNetatalk: 2.4.0 - 3.2.0
CPE2.3- cpe:2.3:a:netatalk:netatalk:2.4.0:*:*:*:*:*:*:*
- cpe:2.3:a:netatalk:netatalk:3.1:*:*:*:*:*:*:*
- cpe:2.3:a:netatalk:netatalk:3.1.0:*:*:*:*:*:*:*
https://github.com/Netatalk/netatalk/issues/1098
https://github.com/Netatalk/netatalk/blob/90d91a9ac9a7d6132ab7620d31c8c23400949206/etc/afpd/directory.c#L2333
https://github.com/Netatalk/netatalk/security/advisories/GHSA-mj6v-cr68-mj9q
https://netatalk.io/security/CVE-2024-38441
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
