Resource exhaustion in Gnu Gdb

CVE-2017-9778

GNU Debugger (GDB) 8.0 and earlier fails to detect a negative length field in a DWARF section. A malformed section in an ELF binary or a core file can cause GDB to repeatedly allocate memory until a process limit is reached. This can, for example, impede efforts to analyze malware with GDB.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.011 (62.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

References

  • cve@mitre.org (x_refsource_CONFIRM, Third Party Advisory, Issue Tracking)
  • cve@mitre.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)

Frequently asked questions

What is CVE-2017-9778?
CVE-2017-9778 is a medium-severity vulnerability in Gnu Gdb, classified under Improper Input Validation. CVSS score: 5.5/10. Published 2017-06-21.
How severe is CVE-2017-9778?
Medium severity. CVSS v3 base score is 5.5 out of 10.