CVE-2017-15020
First published: Thu Oct 05 2017(Updated: )
dwarf1.c in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.29, mishandles pointers, which allows remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact via a crafted ELF file, related to parse_die and parse_line_table, as demonstrated by a parse_die heap-based buffer over-read.
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 2.43.1-5 |
Remedy
https://blogs.gentoo.org/ago/2017/10/03/binutils-heap-based-buffer-overflow-in-parse_die-dwarf1-c/
Remedy
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=1da5c9a485f3dcac4c45e96ef4b7dae5948314b5
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Reference Links
- https://blogs.gentoo.org/ago/2017/10/03/binutils-heap-based-buffer-overflow-in-parse_die-dwarf1-c/
- https://sourceware.org/bugzilla/show_bug.cgi?id=22202
- https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=1da5c9a485f3dcac4c45e96ef4b7dae5948314b5
- https://launchpad.net/bugs/cve/CVE-2017-15020
- https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git%3Bh=1da5c9a485f3dcac4c45e96ef4b7dae5948314b5
- https://security-tracker.debian.org/tracker/CVE-2017-15020
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-15020
- https://nvd.nist.gov/vuln/detail/CVE-2017-15020
- https://ubuntu.com/security/CVE-2017-15020
Frequently Asked Questions
What is CVE-2017-15020?
CVE-2017-15020 is a vulnerability in the Binary File Descriptor (BFD) library in GNU Binutils 2.29, which can be exploited via a crafted ELF file to cause a denial of service or unspecified impact.
How does CVE-2017-15020 affect binutils?
CVE-2017-15020 affects binutils versions 2.29 and possibly other versions, and can lead to a denial of service or other impact.
How can I fix CVE-2017-15020?
To fix CVE-2017-15020, update binutils to version 2.29.90.20180122-1 or apply the appropriate remedy provided by your distribution.
Where can I find more information about CVE-2017-15020?
You can find more information about CVE-2017-15020 on the references provided: [Link1](https://blogs.gentoo.org/ago/2017/10/03/binutils-heap-based-buffer-overflow-in-parse_die-dwarf1-c/), [Link2](https://sourceware.org/bugzilla/show_bug.cgi?id=22202), [Link3](https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=1da5c9a485f3dcac4c45e96ef4b7dae5948314b5).
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