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CVE-2018-7642

Good to know:

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Date: March 2, 2018

The swap_std_reloc_in function in aoutx.h in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.30, allows remote attackers to cause a denial of service (aout_32_swap_std_reloc_out NULL pointer dereference and application crash) via a crafted ELF file, as demonstrated by objcopy.

Language: C

Severity Score

Related Resources (12)

https://nvd.nist.gov/vuln/detail/CVE-2018-7642
https://access.redhat.com/errata/RHSA-2018:3032
https://sourceware.org/bugzilla/show_bug.cgi?id=22887
https://people.canonical.com/~ubuntu-security/cve/CVE-2018-7642
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git%3Bh=116acb2c268c89c89186673a7c92620d21825b25
https://access.redhat.com/errata/RHBA-2019:0327
https://security-tracker.debian.org/tracker/CVE-2018-7642
https://access.redhat.com/security/cve/CVE-2018-7642
https://security.gentoo.org/glsa/201811-17
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00072.html
http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00008.html
https://www.mend.io/vulnerability-database/CVE-2018-7642

Severity Score

Weakness Type (CWE)

NULL Pointer Dereference

CWE-476

Top Fix

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Upgrade to version binutils-2_31

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CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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