CVE-2018-8945: Input Validation
First published: Thu Mar 22 2018(Updated: )
binutils through version 2.30 has a vulnerability in the elf.c:bfd_section_from_shdr() functionof the Binary File Descriptor (BFD) library (aka libbfd). An attacker could exploit this with a crafted executable file to cause a crash. Upstream Bug: <a href="https://sourceware.org/bugzilla/show_bug.cgi?id=22809">https://sourceware.org/bugzilla/show_bug.cgi?id=22809</a> Upstream Patch: <a href="https://sourceware.org/bugzilla/attachment.cgi?id=10814&action=diff">https://sourceware.org/bugzilla/attachment.cgi?id=10814&action=diff</a>
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| GNU Binutils | =2.30 | |
| Redhat Enterprise Linux Desktop | =7.0 | |
| Redhat Enterprise Linux Server | =7.0 | |
| Redhat Enterprise Linux Workstation | =7.0 | |
| debian/binutils | 2.35.2-2 2.40-2 2.43.1-5 |
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Reference Links
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00072.html
- http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00008.html
- https://access.redhat.com/errata/RHBA-2019:0327
- https://access.redhat.com/errata/RHSA-2018:3032
- https://security.gentoo.org/glsa/201811-17
- https://sourceware.org/bugzilla/show_bug.cgi?id=22809
- https://usn.ubuntu.com/4336-1/
- https://launchpad.net/bugs/cve/CVE-2018-8945
- https://sourceware.org/bugzilla/attachment.cgi?id=10814&action=diff
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1560831
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1560828
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1560830
- https://bugzilla.redhat.com/show_bug.cgi?id=1560827
- https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=95a6d23566165208853a68d9cd3c6eedca840ec6
- https://security-tracker.debian.org/tracker/CVE-2018-8945
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-8945
- https://nvd.nist.gov/vuln/detail/CVE-2018-8945
- https://ubuntu.com/security/CVE-2018-8945
Frequently Asked Questions
What is CVE-2018-8945?
CVE-2018-8945 is a vulnerability in the Binary File Descriptor (BFD) library, also known as libbfd, which can cause a denial of service attack by triggering a segmentation fault.
How does CVE-2018-8945 impact affected software?
CVE-2018-8945 can cause a denial of service (segmentation fault) on systems running GNU Binutils 2.30 or earlier versions.
How severe is CVE-2018-8945?
CVE-2018-8945 has a low severity level.
Which versions of binutils are affected by CVE-2018-8945?
GNU Binutils 2.30 and earlier versions are affected by CVE-2018-8945.
How can I fix CVE-2018-8945?
To fix CVE-2018-8945, update to GNU Binutils version 2.30.90.20180627-1 or later.
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