CVE-2023-45918: Null Pointer Dereference
First published: Fri Feb 16 2024(Updated: )
ncurses 6.4-20230610 has a NULL pointer dereference in tgetstr in tinfo/lib_termcap.c. <a href="https://lists.gnu.org/archive/html/bug-ncurses/2023-06/msg00005.html">https://lists.gnu.org/archive/html/bug-ncurses/2023-06/msg00005.html</a> <a href="https://security.netapp.com/advisory/ntap-20240315-0006/">https://security.netapp.com/advisory/ntap-20240315-0006/</a>
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| CentOS Ncurses |
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Reference Links
- https://lists.gnu.org/archive/html/bug-ncurses/2023-06/msg00005.html
- https://security.netapp.com/advisory/ntap-20240315-0006/
- https://access.redhat.com/errata/RHSA-2024:5107
- https://catalog.redhat.com/software/containers/ubi8/ubi/5c359854d70cc534b3a3784e
- https://catalog.redhat.com/software/containers/ubi9/ubi/615bcf606feffc5384e8452e
- https://access.redhat.com/security/cve/CVE-2023-45918
- https://bugzilla.redhat.com/show_bug.cgi?id=2300290
- https://bugzilla.redhat.com/show_bug.cgi?id=2300290#c1
Frequently Asked Questions
What is the severity of CVE-2023-45918?
CVE-2023-45918 has been classified with a high severity due to its potential to cause a denial of service.
How do I fix CVE-2023-45918?
To fix CVE-2023-45918, update to the latest version of GNU ncurses that contains the patch for this vulnerability.
What causes the vulnerability in CVE-2023-45918?
CVE-2023-45918 is caused by a NULL pointer dereference in the tgetstr function.
Which versions of ncurses are affected by CVE-2023-45918?
ncurses version 6.4-20230610 is known to be affected by CVE-2023-45918.
Can CVE-2023-45918 be exploited remotely?
Yes, CVE-2023-45918 can potentially be exploited remotely, leading to a denial of service.
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