CVE-2020-35493: Input Validation
First published: Tue Dec 29 2020(Updated: )
A flaw exists in binutils in bfd/pef.c. An attacker who is able to submit a crafted PEF file to be parsed by objdump could cause a heap buffer overflow -> out-of-bounds read that could lead to an impact to application availability. This flaw affects binutils versions prior to 2.34.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/binutils | <2.34 | 2.34 |
| GNU Binutils | <2.34 | |
| Fedoraproject Fedora | =32 | |
| Netapp Cloud Backup | ||
| NetApp ONTAP Select Deploy administration utility | ||
| IBM Cloud Pak for Business Automation | ||
| Netapp Solidfire \& Hci Management Node | ||
| Broadcom Brocade Fabric Operating System Firmware | ||
| IBM Cloud Pak for Business Automation | ||
| Netapp Hci Compute Node |
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Reference Links
- https://bugzilla.redhat.com/show_bug.cgi?id=1911437
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4KOK3QWSVOUJWJ54HVGIFWNLWQ5ZY4S6/
- https://security.gentoo.org/glsa/202107-24
- https://security.netapp.com/advisory/ntap-20210212-0007/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4KOK3QWSVOUJWJ54HVGIFWNLWQ5ZY4S6/
- https://sourceware.org/bugzilla/show_bug.cgi?id=25307
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1911438
- https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=f2a3559d54602cecfec6d90f792be4a70ad918ab
Frequently Asked Questions
What is CVE-2020-35493?
CVE-2020-35493 is a vulnerability in binutils in bfd/pef.c that could cause a heap buffer overflow and out-of-bounds read.
How does CVE-2020-35493 affect application availability?
CVE-2020-35493 could lead to an impact on application availability.
Which versions of binutils are affected by CVE-2020-35493?
CVE-2020-35493 affects binutils versions prior to 2.34.
How can I fix CVE-2020-35493?
To fix CVE-2020-35493, update binutils to version 2.34 or later.
Where can I find more information about CVE-2020-35493?
You can find more information about CVE-2020-35493 at the following references: - [Bugzilla Bug Report](https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1911438) - [Sourceware Bug Report](https://sourceware.org/bugzilla/show_bug.cgi?id=25307) - [Binutils Git Commit](https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=f2a3559d54602cecfec6d90f792be4a70ad918ab)
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