CVE-2020-9273
HIGHCVSS 8.8/10EPSS 12.04%
Last modified
CVE-2020-9273 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. 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.. EPSS estimates a 12.04% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Proftpd | Proftpd | 1.3.7 |
| Debian | Debian Linux | 8.0 |
| Debian | Debian Linux | 9.0 |
| Debian | Debian Linux | 10.0 |
| Fedoraproject | Fedora | 30 |
| Fedoraproject | Fedora | 31 |
| Opensuse | Backports Sle | 15.0 |
| Opensuse | Leap | 15.1 |
| Siemens | Simatic Net Cp 1545-1 Firmware | All versions |
| Siemens | Simatic Net Cp 1543-1 Firmware | < 3.0 |
References
- http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00002.htmlMailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2021/08/25/1Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2021/09/06/2Mailing List, Third Party Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-679335.pdfThird Party Advisory
- https://github.com/proftpd/proftpd/blob/master/RELEASE_NOTESRelease Notes, Third Party Advisory
- https://github.com/proftpd/proftpd/issues/903Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/02/msg00022.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/03/msg00002.htmlMailing List, Third Party Advisory
- 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 List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2021/08/25/1Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2021/09/06/2Mailing List, Third Party Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-679335.pdfThird Party Advisory
- https://github.com/proftpd/proftpd/blob/master/RELEASE_NOTESRelease Notes, Third Party Advisory
- https://github.com/proftpd/proftpd/issues/903Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/02/msg00022.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/03/msg00002.htmlMailing List, Third Party Advisory
- https://security.gentoo.org/glsa/202003-35Third Party Advisory
- https://www.debian.org/security/2020/dsa-4635Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-9273?
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 a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 12.04% probability of exploitation in the next 30 days.
How do I fix CVE-2020-9273?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2020-9273?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST