medium
5.5
CWE
787
Advisory Published
Updated

CVE-2018-10534

First published: Sun Apr 29 2018(Updated: )

A flaw was found in the _bfd_XX_bfd_copy_private_bfd_data_common function in peXXigen.c in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.30, processes a negative Data Directory size with an unbounded loop that increases the value of (external_IMAGE_DEBUG_DIRECTORY) *edd so that the address exceeds its own memory region, resulting in an out-of-bounds memory write, as demonstrated by objcopy copying private info with _bfd_pex64_bfd_copy_private_bfd_data_common in pex64igen.c. References: <a href="https://sourceware.org/bugzilla/show_bug.cgi?id=23110">https://sourceware.org/bugzilla/show_bug.cgi?id=23110</a> Patch: <a href="https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=aa4a8c2a2a67545e90c877162c53cc9de42dc8b4">https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=aa4a8c2a2a67545e90c877162c53cc9de42dc8b4</a>

Credit: cve@mitre.org cve@mitre.org

Affected SoftwareAffected VersionHow 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
2.43.1-3
2.43.1-5

Remedy

https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=aa4a8c2a2a67545e90c877162c53cc9de42dc8b4

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Reference Links

Frequently Asked Questions

  • What is CVE-2018-10534?

    CVE-2018-10534 is a vulnerability in the Binary File Descriptor (BFD) library, as distributed in GNU Binutils 2.30, that allows for an unbounded loop with a negative Data Directory size.

  • How does CVE-2018-10534 affect Ubuntu?

    CVE-2018-10534 affects Ubuntu versions 18.04.3 (Bionic) and 16.04.8+ (Xenial) with binutils package versions 2.30-21ubuntu1~18.04.3 and 2.26.1-1ubuntu1~16.04.8+, respectively.

  • What is the severity of CVE-2018-10534?

    CVE-2018-10534 has a low severity with a severity value of 1.

  • How can I fix CVE-2018-10534 on Ubuntu?

    To fix CVE-2018-10534 on Ubuntu, you should update the binutils package to version 2.30-21ubuntu1~18.04.3 for Bionic or version 2.26.1-1ubuntu1~16.04.8+ for Xenial.

  • Where can I find more information about CVE-2018-10534?

    You can find more information about CVE-2018-10534 at the following references: [Sourceware Bugzilla](https://sourceware.org/bugzilla/show_bug.cgi?id=23110), [SecurityFocus](http://www.securityfocus.com/bid/104025), [Red Hat Advisory](https://access.redhat.com/errata/RHSA-2018:3032).

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