CVE-2017-15021
First published: Thu Oct 05 2017(Updated: )
bfd_get_debug_link_info_1 in opncls.c in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.29, allows remote attackers to cause a denial of service (heap-based buffer over-read and application crash) via a crafted ELF file, related to bfd_getl32.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| GNU Binutils | =2.29 | |
| debian/binutils | 2.35.2-2 2.40-2 2.43.1-3 2.43.1-5 |
Remedy
https://blogs.gentoo.org/ago/2017/10/03/binutils-heap-based-buffer-overflow-in-bfd_getl32-opncls-c/
Remedy
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=52b36c51e5bf6d7600fdc6ba115b170b0e78e31d
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Reference Links
- https://blogs.gentoo.org/ago/2017/10/03/binutils-heap-based-buffer-overflow-in-bfd_getl32-opncls-c/
- https://sourceware.org/bugzilla/show_bug.cgi?id=22197
- https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=52b36c51e5bf6d7600fdc6ba115b170b0e78e31d
- https://launchpad.net/bugs/cve/CVE-2017-15021
- https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git%3Bh=52b36c51e5bf6d7600fdc6ba115b170b0e78e31d
- https://security-tracker.debian.org/tracker/CVE-2017-15021
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-15021
- https://nvd.nist.gov/vuln/detail/CVE-2017-15021
- https://ubuntu.com/security/CVE-2017-15021
Frequently Asked Questions
What is CVE-2017-15021?
CVE-2017-15021 is a vulnerability in the Binary File Descriptor (BFD) library, also known as libbfd.
What is the impact of CVE-2017-15021?
CVE-2017-15021 allows remote attackers to cause a denial of service (heap-based buffer over-read and application crash) by exploiting a crafted ELF file.
Which software versions are affected by CVE-2017-15021?
CVE-2017-15021 affects GNU Binutils 2.29, Ubuntu binutils 2.29.90.20180122-1, and Ubuntu binutils 2.26.1-1ubuntu1~16.04.8+.
How can I fix CVE-2017-15021?
The recommended fix for CVE-2017-15021 is to upgrade to binutils version 2.29.90.20180122-1 (for Ubuntu) or a higher version that includes the patch.
Where can I find more information about CVE-2017-15021?
You can find more information about CVE-2017-15021 on the following sources: [Link 1](https://blogs.gentoo.org/ago/2017/10/03/binutils-heap-based-buffer-overflow-in-bfd_getl32-opncls-c/), [Link 2](https://sourceware.org/bugzilla/show_bug.cgi?id=22197), [Link 3](https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=52b36c51e5bf6d7600fdc6ba115b170b0e78e31d).
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