CVE-2018-12699 Memory corruption in n/a

Critical 9.8 Published 23 Jun 2018 Updated 5 Aug 2024

A heap-based buffer overflow in GNU Binutils objdump allows attackers to cause denial of service or potentially execute arbitrary code via crafted files.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: Available

What is CVE-2018-12699?

CVE-2018-12699 is a critical memory corruption vulnerability in Canonical Ubuntu Linux, published on 23 Jun 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

finish_stab in stabs.c in GNU Binutils 2.30 allows attackers to cause a denial of service (heap-based buffer overflow) or possibly have unspecified other impact, as demonstrated by an out-of-bounds write of 8 bytes. This can occur during execution of objdump.

Weakness: CWE-787

Which versions are affected by CVE-2018-12699?

It affects 2 products.

Linux distribution packages (9)

`binutils` AlmaLinux:8	All versions	`2.30-125.el8_10`
`binutils-devel` AlmaLinux:8	All versions	`2.30-125.el8_10`
`binutils-debuginfo` Red Hat:enterprise_linux:8::appstream	All versions	`0:2.30-125.el8_10`
`binutils-debugsource` Red Hat:enterprise_linux:8::appstream	All versions	`0:2.30-125.el8_10`
`binutils-devel` Red Hat:enterprise_linux:8::appstream	All versions	`0:2.30-125.el8_10`
`binutils` Red Hat:enterprise_linux:8::baseos	All versions	`0:2.30-125.el8_10`
`binutils-debuginfo` Red Hat:enterprise_linux:8::baseos	All versions	`0:2.30-125.el8_10`
`binutils-debugsource` Red Hat:enterprise_linux:8::baseos	All versions	`0:2.30-125.el8_10`
`binutils` Rocky Linux:8	All versions	`0:2.30-125.el8_10`

Products include Canonical Ubuntu Linux, Gnu Binutils.

How do I fix CVE-2018-12699?

Apply the vendor's patch.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2018-12699 being exploited?

There is no known exploitation of CVE-2018-12699 in the wild and no public exploit code.

All Canonical Ubuntu Linux vulnerabilities

Sources

Also known as ALSA-2024:9689, CLSA-2024-1732554981, CLSA-2024-1732701075, CLSA-2024-1732701614, DEBIAN-CVE-2018-12699, GHSA-r4rx-vwmc-mj74 and 3 more.