Memory Allocation Flaw in GNU Debugger Affects Linux Systems
CVE-2017-9778

5.5MEDIUM

Key Information:

Vendor

Gnu
Status
Gdb
Vendor
CVE Published:
21 June 2017

What is CVE-2017-9778?

The GNU Debugger (GDB) version 8.0 and prior versions contain a vulnerability that fails to properly detect a negative length field within a DWARF section. This oversight can allow for a malformed section in an ELF binary or core file to initiate a loop of memory allocation, which may quickly exhaust process limits. Such behavior hinders the ability to effectively analyze malware using GDB or could lead to service interruptions on the host system.

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References

https://sourceware.org/bugzilla/show_bug.cgi?id=21600
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http://www.securityfocus.com/bid/99244
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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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