9.8

CVE-2016-9558

Exploit
(1) libdwarf/dwarf_leb.c and (2) dwarfdump/print_frames.c in libdwarf before 20161124 allow remote attackers to have unspecified impact via a crafted bit pattern in a signed leb number, aka a "negation overflow."
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Libdwarf Project ≫ Libdwarf Version >= 1999-12-14 < 2016-11-24
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 5.11% 0.913
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 9.8 3.9 5.9
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
nvd@nist.gov 7.5 10 6.4
AV:N/AC:L/Au:N/C:P/I:P/A:P
CWE-190 Integer Overflow or Wraparound

The product performs a calculation that can produce an integer overflow or wraparound when the logic assumes that the resulting value will always be larger than the original value. This occurs when an integer value is incremented to a value that is too large to store in the associated representation. When this occurs, the value may become a very small or negative number.

https://www.prevanders.net/dwarfbug.html
Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/11/19/6
Patch
Third Party Advisory
Mailing List
http://www.openwall.com/lists/oss-security/2016/11/23/3
Patch
Third Party Advisory
Mailing List
http://www.securityfocus.com/bid/94491
Third Party Advisory
VDB Entry
https://blogs.gentoo.org/ago/2016/11/19/libdwarf-negation-overflow-in-dwarf_leb-c/
Patch
Third Party Advisory
Exploit
VDB Entry
https://sourceforge.net/p/libdwarf/code/ci/4f19e1050cd8e9ddf2cb6caa061ff2fec4c9b5f9/#diff-5
Third Party Advisory