CVE-2020-9273
Published: 20 February 2020
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.
Priority
Status
Package | Release | Status |
---|---|---|
proftpd-dfsg Launchpad, Ubuntu, Debian |
bionic |
Needed
|
eoan |
Ignored
(end of life)
|
|
focal |
Not vulnerable
(1.3.6c-1)
|
|
groovy |
Not vulnerable
(1.3.6c-1)
|
|
hirsute |
Not vulnerable
(1.3.6c-1)
|
|
impish |
Not vulnerable
(1.3.6c-1)
|
|
jammy |
Not vulnerable
(1.3.6c-1)
|
|
kinetic |
Not vulnerable
(1.3.6c-1)
|
|
lunar |
Not vulnerable
(1.3.6c-1)
|
|
mantic |
Not vulnerable
(1.3.6c-1)
|
|
trusty |
Does not exist
|
|
upstream |
Released
(1.3.6c-1)
|
|
xenial |
Needed
|
Severity score breakdown
Parameter | Value |
---|---|
Base score | 8.8 |
Attack vector | Network |
Attack complexity | Low |
Privileges required | Low |
User interaction | None |
Scope | Unchanged |
Confidentiality | High |
Integrity impact | High |
Availability impact | High |
Vector | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
References
- https://github.com/proftpd/proftpd/issues/903
- https://github.com/proftpd/proftpd/commit/d388f7904d4c9a6d0ea54237b8b54a57c19d8d49 (master)
- https://github.com/proftpd/proftpd/commit/e845abc1bd86eebec7a0342fded908a1b0f1996b (1.3.6.c)
- https://github.com/proftpd/proftpd/blob/master/RELEASE_NOTES
- https://www.cve.org/CVERecord?id=CVE-2020-9273
- NVD
- Launchpad
- Debian