CVE-2020-9274
First published: Wed Feb 26 2020(Updated: )
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.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Pureftpd Pure-ftpd | <1.0.50 | |
| Debian Debian Linux | =8.0 | |
| Fedoraproject Extra Packages For Enterprise Linux | =7.0 | |
| Fedoraproject Extra Packages For Enterprise Linux | =8.0 | |
| Fedoraproject Fedora | =30 | |
| Fedoraproject Fedora | =31 | |
| Fedoraproject Fedora | =32 | |
| Canonical Ubuntu Linux | =16.04 | |
| ubuntu/pure-ftpd | <1.0.49-4 | 1.0.49-4 |
| ubuntu/pure-ftpd | <1.0.36-3.2+ | 1.0.36-3.2+ |
| debian/pure-ftpd | 1.0.49-4.1 1.0.50-2.1 1.0.50-2.2 |
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Reference Links
- https://github.com/jedisct1/pure-ftpd/commit/8d0d42542e2cb7a56d645fbe4d0ef436e38bcefa
- https://lists.debian.org/debian-lts-announce/2020/02/msg00029.html
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/22P44PECZWNDP7CMBL7NRBMNFS73C5Z2/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/B5NSUDWXZVWUCL6R2PTX3KBB42Z62CA5/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/U5DBVHJCXWRSJPNJQCJQCKZF6ZDPZCKA/
- https://security.gentoo.org/glsa/202003-54
- https://usn.ubuntu.com/4515-1/
- https://www.pureftpd.org/project/pure-ftpd/news/
- https://launchpad.net/bugs/cve/CVE-2020-9274
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/22P44PECZWNDP7CMBL7NRBMNFS73C5Z2/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/B5NSUDWXZVWUCL6R2PTX3KBB42Z62CA5/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/U5DBVHJCXWRSJPNJQCJQCKZF6ZDPZCKA/
- https://ubuntu.com/security/notices/USN-4515-1
- https://www.cve.org/CVERecord?id=CVE-2020-9274
- https://nvd.nist.gov/vuln/detail/CVE-2020-9274
- https://security-tracker.debian.org/tracker/CVE-2020-9274
- https://ubuntu.com/security/CVE-2020-9274
Frequently Asked Questions
What is CVE-2020-9274?
CVE-2020-9274 is a vulnerability found in Pure-FTPd 1.0.49 that allows for an uninitialized pointer exploit.
What is the severity of CVE-2020-9274?
The severity of CVE-2020-9274 is high with a CVSS score of 7.5.
Which software versions are affected by CVE-2020-9274?
The affected software versions include Pure-FTPd 1.0.49-4.1, 1.0.50-2.1, 1.0.49-4, and 1.0.36-3.2+.
How can I fix CVE-2020-9274?
To fix CVE-2020-9274, update to a patched version of Pure-FTPd, such as 1.0.49-4.1 or 1.0.50-2.1.
Where can I find more information about CVE-2020-9274?
More information about CVE-2020-9274 can be found on the following references: [link1], [link2], [link3]
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