An issue was discovered in GNU libiberty, as distributed in GNU Binutils 2.32. simple_object_elf_match in simple-object-elf.c does not check for a zero shstrndx value, leading to an integer overflow and resultant heap-based buffer overflow.
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00056.html
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00057.html
http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00058.html
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00078.html
http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00004.html
http://www.securityfocus.com/bid/109354
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90924
https://gcc.gnu.org/ml/gcc-patches/2019-07/msg01003.html
https://security.gentoo.org/glsa/202007-39
https://security.netapp.com/advisory/ntap-20190822-0002/
Source: MITRE
Published: 2019-07-24
Updated: 2020-11-02
Type: CWE-787
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
Base Score: 5.5
Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Impact Score: 3.6
Exploitability Score: 1.8
Severity: MEDIUM