5.5med

CVE-2017-15939

dwarf2.c in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.29, mishandles NULL files in a .debug_l…

Published 9 y ago · modified 4 mo ago · JSON

CVSS
5.5
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
1.7%
percentile 78%
Public exploits
0
none known

Summary

dwarf2.c in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.29, mishandles NULL files in a .debug_line file table, which allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted ELF file, related to concat_filename. NOTE: this issue is caused by an incomplete fix for CVE-2017-15023.

Exploit prediction (EPSS)

1.72% probability of exploitation in the next 30 days, higher than 78% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.05.5CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
NVD2.04.3AV:N/AC:M/Au:N/C:N/I:N/A:P

Classification

Weakness

References

  • security.gentoo.org /glsa/201801-01 · vendor-advisory, x_refsource_GENTOO, x_transferred
  • sourceware.org /bugzilla/show_bug.cgi?id=22205 · x_refsource_MISC, x_transferred
  • sourceware.org /git/gitweb.cgi?p=binutils-gdb.git%3Bh=a54018b72d75abf2e74bf36016702da06399c1d9 · x_refsource_MISC, x_transferred
  • securityfocus.com /bid/101613 · vdb-entry, x_refsource_BID, x_transferred
  • blogs.gentoo.org /ago/2017/10/24/binutils-null-pointer-dereference-in-concat_filename-dwarf2-c-incomplete-f · x_refsource_MISC, 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.