CVE-2017-15938: Buffer Overflow
First published: Fri Oct 27 2017(Updated: )
dwarf2.c in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.29, miscalculates DW_FORM_ref_addr die refs in the case of a relocatable object file, which allows remote attackers to cause a denial of service (find_abstract_instance_name invalid memory read, segmentation fault, and application crash).
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://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=1b86808a86077722ee4f42ff97f836b12420bb2a
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Reference Links
- http://www.securityfocus.com/bid/101610
- https://blogs.gentoo.org/ago/2017/10/24/binutils-invalid-memory-read-in-find_abstract_instance_name-dwarf2-c/
- https://security.gentoo.org/glsa/201801-01
- https://sourceware.org/bugzilla/show_bug.cgi?id=22209
- https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=1b86808a86077722ee4f42ff97f836b12420bb2a
- https://launchpad.net/bugs/cve/CVE-2017-15938
- https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git%3Bh=1b86808a86077722ee4f42ff97f836b12420bb2a
- https://security-tracker.debian.org/tracker/CVE-2017-15938
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-15938
- https://nvd.nist.gov/vuln/detail/CVE-2017-15938
- https://ubuntu.com/security/CVE-2017-15938
Frequently Asked Questions
What is CVE-2017-15938?
CVE-2017-15938 is a vulnerability in the Binary File Descriptor (BFD) library, also known as libbfd, as distributed in GNU Binutils 2.29.
How does CVE-2017-15938 affect the Binutils package on Ubuntu?
The Binutils package version 2.29.90.20180122-1 on Ubuntu is affected by CVE-2017-15938.
How does CVE-2017-15938 affect the Binutils package on Debian?
The Binutils package versions 2.31.1-16, 2.35.2-2, 2.40-2, and 2.41-5 on Debian are affected by CVE-2017-15938.
What is the impact of CVE-2017-15938?
CVE-2017-15938 allows remote attackers to cause a denial of service by exploiting a miscalculation in the DW_FORM_ref_addr die refs, resulting in an invalid memory read in find_abstract_instance_name.
How can I fix CVE-2017-15938 on Ubuntu?
To fix CVE-2017-15938 on Ubuntu, update the Binutils package to version 2.29.90.20180122-1 or higher.
How can I fix CVE-2017-15938 on Debian?
To fix CVE-2017-15938 on Debian, update the Binutils package to a version that has the remedy patch applied, such as versions 2.31.1-16, 2.35.2-2, 2.40-2, or 2.41-5.
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