Published: 21/06/2017 Updated: 03/10/2019

CVSS v2 Base Score: 4.3 | Impact Score: 2.9 | Exploitability Score: 8.6

CVSS v3 Base Score: 5.5 | Impact Score: 3.6 | Exploitability Score: 1.8

VMScore: 383

Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P

GNU Debugger (GDB) 8.0 and previous versions 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.

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gnu gdb

Debian Bug report logs - #865607 gdb: CVE-2017-9778: Fail to detect invalid FDE header, can exhaust gdb process's virtual memory and terminate debug session Package: src:gdb; Maintainer for src:gdb is Héctor Orón Martínez <zumbi@debianorg>; Reported by: Salvatore Bonaccorso <carnil@debianorg> Date: Fri, 23 Jun 20 ...

GNU Debugger (GDB) 80 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 ...

CWE-20 CWE-770 https://sourceware.org/bugzilla/show_bug.cgi?id=21600 http://www.securityfocus.com/bid/99244 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=865607 https://nvd.nist.gov

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CVE-2017-9778

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