Vulnerability CVE-2018-7642
Published: 2018-03-02

Description:
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.

Type:

CWE-476

 (NULL Pointer Dereference)

CVSS2 => (AV:N/AC:M/Au:N/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.3/10
2.9/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
Redhat -> Enterprise linux desktop 
Redhat -> Enterprise linux server 
Redhat -> Enterprise linux workstation 
GNU -> Binutils 

 References:
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=22887
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=116acb2c268c89c89186673a7c92620d21825b25
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