CVE-2017-9105: Null Pointer Dereference
First published: Thu Jun 18 2020(Updated: )
An issue was discovered in adns before 1.5.2. It corrupts a pointer when a nameserver speaks first because of a wrong number of pointer dereferences. This bug may well be exploitable as a remote code execution.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| GNU adns | <1.5.2 | |
| Fedoraproject Fedora | =31 | |
| Fedoraproject Fedora | =32 |
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Reference Links
- http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=adns.git
- http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=adns.git;a=blob;f=changelog
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TRVHN3GGVNQWAOL3PWC5FLAV7HUESLZR/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UGFZ4SPV6KFQK6ZNUZFB5Y32OYFOM5YJ/
- https://www.chiark.greenend.org.uk/pipermail/adns-announce/2020/000004.html
Frequently Asked Questions
What is CVE-2017-9105?
CVE-2017-9105 is a vulnerability discovered in adns before version 1.5.2 that can result in remote code execution.
How does CVE-2017-9105 impact GNU adns?
CVE-2017-9105 corrupts a pointer when a nameserver speaks first, which can lead to remote code execution in GNU adns.
Which versions of Fedora are affected by CVE-2017-9105?
CVE-2017-9105 affects Fedora version 31 and 32.
How severe is CVE-2017-9105?
CVE-2017-9105 has a severity rating of 8.8 (high).
How can I fix the CVE-2017-9105 vulnerability?
To fix the CVE-2017-9105 vulnerability, update adns to version 1.5.2 or later.
- collector/nvd-index
- agent/severity
- agent/weakness
- agent/references
- agent/author
- agent/tags
- agent/type
- agent/description
- agent/event
- agent/last-modified-date
- agent/softwarecombine
- agent/first-publish-date
- vendor/gnu
- canonical/gnu adns
- vendor/fedoraproject
- canonical/fedoraproject fedora
- version/fedoraproject fedora/31
- version/fedoraproject fedora/32