vulnwire
9.8crit

CVE-2016-9558

(1) libdwarf/dwarf_leb.c and (2) dwarfdump/print_frames.c in libdwarf before 20161124 allow remote attackers to have unspecified impact via…

Published 9 y ago · modified 4 mo ago · JSON

CVSS
9.8
v3.1 · NVD
CISA KEV
No
not known exploited
EPSS
5.0%
percentile 92%
Public exploits
0
none known

(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."

Exploit prediction (EPSS)

4.97% probability of exploitation in the next 30 days, higher than 92% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.19.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD2.07.5AV:N/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness
  • CWE-190 Integer Overflow or Wraparound

References

  • prevanders.net /dwarfbug.html · x_refsource_CONFIRM, x_transferred
  • openwall.com /lists/oss-security/2016/11/19/6 · mailing-list, x_refsource_MLIST, x_transferred
  • securityfocus.com /bid/94491 · vdb-entry, x_refsource_BID, x_transferred
  • blogs.gentoo.org /ago/2016/11/19/libdwarf-negation-overflow-in-dwarf_leb-c/ · x_refsource_MISC, x_transferred
  • openwall.com /lists/oss-security/2016/11/23/3 · mailing-list, x_refsource_MLIST, x_transferred
  • sourceforge.net /p/libdwarf/code/ci/4f19e1050cd8e9ddf2cb6caa061ff2fec4c9b5f9/#diff-5 · x_refsource_CONFIRM, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.