Risk | Medium |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2020-9273 |
CWE-ID | CWE-416 |
Exploitation vector | Network |
Public exploit | N/A |
Vulnerable software Subscribe |
proftpd-dfsg (Debian package) Operating systems & Components / Operating system package or component |
Vendor | Debian |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
EUVDB-ID: #VU25595
Risk: Medium
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2020-9273
CWE-ID:
CWE-416 - Use After Free
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error when processing data transfer within the alloc_pool() function in pool.c. A remote authenticated attacker can trigger a use-after-free error and execute arbitrary code on the system.
Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.
MitigationUpdate proftpd-dfsg package to one of the following versions: 1.3.5b-4+deb9u4, 1.3.6-4+deb10u4.
Vulnerable software versionsproftpd-dfsg (Debian package): 1.3.5b-4+deb9u1 - 1.3.6-4+deb10u3
External linkshttp://www.debian.org/security/2020/dsa-4635
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.