CVE-2017-14228: Null Pointer Dereference
First published: Sat Sep 09 2017(Updated: )
In Netwide Assembler (NASM) 2.14rc0, there is an illegal address access in the function paste_tokens() in preproc.c, aka a NULL pointer dereference. It will lead to remote denial of service.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Nasm Netwide Assembler | =2.14-rc0 | |
| Canonical Ubuntu Linux | =14.04 | |
| debian/nasm | 2.15.05-1 2.16.01-1 2.16.03-1 |
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Reference Links
- https://bugzilla.nasm.us/show_bug.cgi?id=3392423
- https://security.gentoo.org/glsa/201903-19
- https://usn.ubuntu.com/3694-1/
- https://launchpad.net/bugs/cve/CVE-2017-14228
- https://security-tracker.debian.org/tracker/CVE-2017-14228
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-14228
- https://nvd.nist.gov/vuln/detail/CVE-2017-14228
- https://ubuntu.com/security/CVE-2017-14228
Frequently Asked Questions
What is the vulnerability ID?
The vulnerability ID is CVE-2017-14228.
What is the severity of CVE-2017-14228?
The severity of CVE-2017-14228 is medium with a severity value of 5.5.
How does the vulnerability in NASM 2.14rc0 manifest?
The vulnerability in NASM 2.14rc0 manifests as an illegal address access in the function paste_tokens() in preproc.c, leading to a NULL pointer dereference and remote denial of service.
Which software versions are affected by CVE-2017-14228?
The affected software versions are NASM 2.14-1, 2.15.05-1, 2.16.01-1, and NASM 2.14rc0 from the Netwide Assembler package in Debian. Additionally, NASM 2.13.01-2ubuntu0.1 in Ubuntu Artful, NASM 2.10.09-1ubuntu0.1 in Ubuntu Trusty, NASM 2.11.08-1ubuntu0.1 in Ubuntu Xenial, and NASM 2.14-rc0 from Nasm Netwide Assembler are also affected.
How can the vulnerability in NASM 2.14rc0 be fixed?
To fix the vulnerability in NASM 2.14rc0, update to NASM version 2.14-1, 2.15.05-1, or 2.16.01-1 for Debian users. For Ubuntu users, update to NASM version 2.13.01-2ubuntu0.1 in Artful, 2.10.09-1ubuntu0.1 in Trusty, or 2.11.08-1ubuntu0.1 in Xenial. Nasm Netwide Assembler users should update to version 2.14-rc0.
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