CVE-2018-7642

MEDIUM

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.

References

http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00072.html

http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00008.html

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

Details

Source: MITRE

Published: 2018-03-02

Updated: 2019-10-31

Type: CWE-476

Risk Information

CVSS v2.0

Base Score: 4.3

Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P

Impact Score: 2.9

Exploitability Score: 8.6

Severity: MEDIUM

CVSS v3.0

Base Score: 5.5

Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Impact Score: 3.6

Exploitability Score: 1.8

Severity: MEDIUM