CVE-2018-17794: Null Pointer Dereference
First published: Sun Sep 30 2018(Updated: )
An issue was discovered in cplus-dem.c in GNU libiberty, as distributed in GNU Binutils 2.31. There is a NULL pointer dereference in work_stuff_copy_to_from when called from iterate_demangle_function.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| GNU Binutils | =2.31 | |
| debian/binutils | 2.35.2-2 2.40-2 2.43.1-3 2.43.1-5 |
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Reference Links
- https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87350
- https://usn.ubuntu.com/4326-1/
- https://usn.ubuntu.com/4336-1/
- https://launchpad.net/bugs/cve/CVE-2018-17794
- https://gcc.gnu.org/git/?p=gcc.git;a=commit;h=03e51746ed98d9106803f6009ebd71ea670ad3b9
- https://security-tracker.debian.org/tracker/CVE-2018-17794
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-17794
- https://nvd.nist.gov/vuln/detail/CVE-2018-17794
- https://ubuntu.com/security/CVE-2018-17794
Frequently Asked Questions
What is CVE-2018-17794?
CVE-2018-17794 is a vulnerability discovered in GNU libiberty, as distributed in GNU Binutils 2.31. It is a NULL pointer dereference issue in work_stuff_copy_to_from when called from iterate_demangle_function.
How does CVE-2018-17794 affect the affected software?
CVE-2018-17794 affects the following software: Ubuntu binutils 2.30-21ubuntu1~18.04.3, Ubuntu binutils 2.26.1-1ubuntu1~16.04.8+, Ubuntu libiberty 20170913-1ubuntu0.1, Ubuntu libiberty 20190122-1, Ubuntu libiberty 20160215-1ubuntu0.3, and Debian binutils 2.31.1-16.
What is the severity of CVE-2018-17794?
The severity of CVE-2018-17794 is not specified.
How do I fix CVE-2018-17794?
To fix CVE-2018-17794, you should update the affected software to the recommended versions: Ubuntu binutils 2.30-21ubuntu1~18.04.3, Ubuntu binutils 2.26.1-1ubuntu1~16.04.8+, Ubuntu libiberty 20170913-1ubuntu0.1, Ubuntu libiberty 20190122-1, Ubuntu libiberty 20160215-1ubuntu0.3, and Debian binutils 2.31.1-16.
Where can I find more information about CVE-2018-17794?
You can find more information about CVE-2018-17794 in the following references: [GCC Bugzilla](https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87350), [Ubuntu USN-4326-1](https://usn.ubuntu.com/4326-1/), [Ubuntu USN-4336-1](https://usn.ubuntu.com/4336-1/).
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