CVE-2018-10535: Null Pointer Dereference
First published: Sun Apr 29 2018(Updated: )
A flaw was found in the ignore_section_sym function in elf.c in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.30, does not validate the output_section pointer in the case of a symtab entry with a "SECTION" type that has a "0" value, which allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted file, as demonstrated by objcopy. References: <a href="https://sourceware.org/bugzilla/show_bug.cgi?id=23113">https://sourceware.org/bugzilla/show_bug.cgi?id=23113</a> Patch: <a href="https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=db0c309f4011ca94a4abc8458e27f3734dab92ac">https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=db0c309f4011ca94a4abc8458e27f3734dab92ac</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 2.43.1-3 2.43.1-5 |
Remedy
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=db0c309f4011ca94a4abc8458e27f3734dab92ac
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Reference Links
- http://www.securityfocus.com/bid/104021
- https://access.redhat.com/errata/RHBA-2019:0327
- https://access.redhat.com/errata/RHSA-2018:3032
- https://security.gentoo.org/glsa/201908-01
- https://sourceware.org/bugzilla/show_bug.cgi?id=23113
- https://usn.ubuntu.com/4336-1/
- https://launchpad.net/bugs/cve/CVE-2018-10535
- https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=db0c309f4011ca94a4abc8458e27f3734dab92ac
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1574700
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1574698
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1574701
- https://bugzilla.redhat.com/show_bug.cgi?id=1574697
- https://security-tracker.debian.org/tracker/CVE-2018-10535
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-10535
- https://nvd.nist.gov/vuln/detail/CVE-2018-10535
- https://ubuntu.com/security/CVE-2018-10535
Frequently Asked Questions
What is the vulnerability ID?
The vulnerability ID is CVE-2018-10535.
What is the severity level of CVE-2018-10535?
The severity level of CVE-2018-10535 is low.
How does the ignore_section_sym function in elf.c contribute to the vulnerability?
The ignore_section_sym function in elf.c does not validate the output_section pointer in the case of a symtab entry with a "SECTION" type that has a "0" value, which allows remote attackers to cause a denial of service (NULL pointer dereference and application crash).
Which version of GNU Binutils is affected by CVE-2018-10535?
GNU Binutils version 2.30 is affected by CVE-2018-10535.
How can I fix CVE-2018-10535?
Update to version 2.30.90.20180627-1 or later of binutils.
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