Use-After-Free Vulnerability in Libiberty Affects GNU Compiler Collection
CVE-2016-4488

5.5MEDIUM

Key Information:

Vendor

Gnu
Status
Libiberty
Vendor
CVE Published:
24 February 2017

What is CVE-2016-4488?

A use-after-free vulnerability in the libiberty library within the GNU Compiler Collection can be exploited by remote attackers to cause a denial of service. This is achieved by sending a crafted binary that triggers a segmentation fault, leading to an application crash. The vulnerability is associated with a specific type of vector management, known as 'ktypevec', which fails to properly handle memory deallocation.

References

http://www.securityfocus.com/bid/90025
vdb-entryx_refsource_BID
http://www.openwall.com/lists/oss-security/2016/05/05/5
mailing-listx_refsource_MLIST
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70481
x_refsource_CONFIRM

CVSS V3.1

Score:
5.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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CVE-2016-4488 : Use-After-Free Vulnerability in Libiberty Affects GNU Compiler Collection