Vulnerability identifier: #VU73785

Vulnerability risk: Medium

CVSSv3.1:

CVE-ID: CVE-2018-12886

CWE-ID: CWE-209

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Gnu Compiler Collection
Client/Desktop applications / Software for system administration

Vendor: GNU

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to excessive data output by the application in the stack_protect_prologue in cfgexpand.c and stack_protect_epilogue in function.c. A remote attacker can gain unauthorized access to sensitive information on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Gnu Compiler Collection: 4.1.0 - 8.5.0

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CPE

• cpe:2.3:a:gnu:gcc:4.3:*:*:*:*:*:*:*

External links
http://gcc.gnu.org/viewcvs/gcc/trunk/gcc/config/arm/arm-protos.h?revision=266379&view=markup
http://www.gnu.org/software/gcc/gcc-8/changes.html

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Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?