CVE-2020-9273
proftpd-dfsg - security update
8.8
HIGH
CVSS 3.1
EPSS 60.2%
Description
In ProFTPD 1.3.7, it is possible to corrupt the memory pool by interrupting the data transfer channel. This triggers a use-after-free in alloc_pool in pool.c, and possible remote code execution.
How to fix CVE-2020-9273
To remediate CVE-2020-9273, upgrade the affected package to a fixed version below.
- Debian/proftpd-dfsg—upgrade to 1.3.6c-2 or later
- —upgrade to 1.3.5e+r1.3.5-2+deb8u6 or later
- —upgrade to 1.3.5e+r1.3.5-2+deb8u7 or later
- —upgrade to 1.3.5b-4+deb9u4 or later
Is CVE-2020-9273 being exploited?
Likely — EPSS is 60.2%, placing CVE-2020-9273 in the top tier of vulnerabilities by exploitation probability. Prioritise patching.
Affected packages (4)
- from 0, < 1.3.6c-2
- from 0, < 1.3.5e+r1.3.5-2+deb8u6
- from 0, < 1.3.5e+r1.3.5-2+deb8u7
- from 0, < 1.3.5b-4+deb9u4
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |