5.5med

CVE-2018-18521

Divide-by-zero vulnerabilities in the function arlib_add_symbols() in arlib.c in elfutils 0.174 allow remote attackers to cause a denial of…

Published 8 y ago · modified 4 mo ago · JSON

CVSS
5.5
v3.1 · NVD
CISA KEV
No
not known exploited
EPSS
1.7%
percentile 78%
Public exploits
0
none known

Summary

Divide-by-zero vulnerabilities in the function arlib_add_symbols() in arlib.c in elfutils 0.174 allow remote attackers to cause a denial of service (application crash) with a crafted ELF file, as demonstrated by eu-ranlib, because a zero sh_entsize is mishandled.

Exploit prediction (EPSS)

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

CVSS scores

Assigned byVersionScoreVector
NVD3.15.5CVSS:3.1/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

  • lists.debian.org /debian-lts-announce/2019/02/msg00036.html · mailing-list, x_refsource_MLIST, x_transferred
  • sourceware.org /ml/elfutils-devel/2018-q4/msg00055.html · x_refsource_MISC, x_transferred
  • sourceware.org /bugzilla/show_bug.cgi?id=23786 · x_refsource_MISC, x_transferred
  • usn.ubuntu.com /4012-1/ · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • lists.opensuse.org /opensuse-security-announce/2019-06/msg00052.html · vendor-advisory, x_refsource_SUSE, x_transferred
  • access.redhat.com /errata/RHSA-2019:2197 · vendor-advisory, x_refsource_REDHAT, x_transferred
  • lists.debian.org /debian-lts-announce/2021/10/msg00030.html · mailing-list, x_refsource_MLIST, 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.