Vulnerability Description
An issue was discovered in Pure-FTPd 1.0.49. An uninitialized pointer vulnerability has been detected in the diraliases linked list. When the *lookup_alias(const char alias) or print_aliases(void) function is called, they fail to correctly detect the end of the linked list and try to access a non-existent list member. This is related to init_aliases in diraliases.c.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Pureftpd | Pure-Ftpd | < 1.0.50 |
| Debian | Debian Linux | 8.0 |
| Fedoraproject | Extra Packages For Enterprise Linux | 7.0 |
| Fedoraproject | Fedora | 30 |
| Canonical | Ubuntu Linux | 16.04 |
Related Weaknesses (CWE)
References
- https://github.com/jedisct1/pure-ftpd/commit/8d0d42542e2cb7a56d645fbe4d0ef436e38PatchThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/02/msg00029.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://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://security.gentoo.org/glsa/202003-54Third Party Advisory
- https://usn.ubuntu.com/4515-1/Third Party Advisory
- https://www.pureftpd.org/project/pure-ftpd/news/Vendor Advisory
- https://github.com/jedisct1/pure-ftpd/commit/8d0d42542e2cb7a56d645fbe4d0ef436e38PatchThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/02/msg00029.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://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://security.gentoo.org/glsa/202003-54Third Party Advisory
- https://usn.ubuntu.com/4515-1/Third Party Advisory
FAQ
What is CVE-2020-9274?
CVE-2020-9274 is a vulnerability with a CVSS score of 7.5 (HIGH). An issue was discovered in Pure-FTPd 1.0.49. An uninitialized pointer vulnerability has been detected in the diraliases linked list. When the *lookup_alias(const char alias) or print_aliases(void) fun...
How severe is CVE-2020-9274?
CVE-2020-9274 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-9274?
Check the references section above for vendor advisories and patch information. Affected products include: Pureftpd Pure-Ftpd, Debian Debian Linux, Fedoraproject Extra Packages For Enterprise Linux, Fedoraproject Fedora, Canonical Ubuntu Linux.