Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Proftpd | Proftpd | 1.3.7 |
| Debian | Debian Linux | 8.0 |
| Fedoraproject | Fedora | 30 |
| Opensuse | Backports Sle | 15.0 |
| Opensuse | Leap | 15.1 |
| Siemens | Simatic Net Cp 1545-1 Firmware | - |
| Siemens | Simatic Net Cp 1545-1 | - |
| Siemens | Simatic Net Cp 1543-1 Firmware | < 3.0 |
| Siemens | Simatic Net Cp 1543-1 | - |
Related Weaknesses (CWE)
References
- http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00002.htmlMailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2021/08/25/1Mailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2021/09/06/2Mailing ListThird Party Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-679335.pdfThird Party Advisory
- https://github.com/proftpd/proftpd/blob/master/RELEASE_NOTESRelease NotesThird Party Advisory
- https://github.com/proftpd/proftpd/issues/903Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/02/msg00022.htmlMailing ListThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/03/msg00002.htmlMailing ListThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://security.gentoo.org/glsa/202003-35Third Party Advisory
- https://www.debian.org/security/2020/dsa-4635Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00002.htmlMailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2021/08/25/1Mailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2021/09/06/2Mailing ListThird Party Advisory
FAQ
What is CVE-2020-9273?
CVE-2020-9273 is a vulnerability with a CVSS score of 8.8 (HIGH). 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 severe is CVE-2020-9273?
CVE-2020-9273 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-9273?
Check the references section above for vendor advisories and patch information. Affected products include: Proftpd Proftpd, Debian Debian Linux, Fedoraproject Fedora, Opensuse Backports Sle, Opensuse Leap.