7.8high

CVE-2017-6419

mspack/lzxd.c in libmspack 0.5alpha, as used in ClamAV 0.99.2, allows remote attackers to cause a denial of service (heap-based buffer over…

Published 9 y ago · modified 4 mo ago · JSON

CVSS
7.8
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
2.0%
percentile 81%
Public exploits
0
none known

Summary

mspack/lzxd.c in libmspack 0.5alpha, as used in ClamAV 0.99.2, allows remote attackers to cause a denial of service (heap-based buffer overflow and application crash) or possibly have unspecified other impact via a crafted CHM file.

Exploit prediction (EPSS)

1.98% probability of exploitation in the next 30 days, higher than 81% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.07.8CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD2.06.8AV:N/AC:M/Au:N/C:P/I:P/A:P

Classification

Weakness
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

  • lists.debian.org /debian-lts-announce/2018/02/msg00014.html · mailing-list, x_refsource_MLIST, x_transferred
  • debian.org /security/2017/dsa-3946 · vendor-advisory, x_refsource_DEBIAN, x_transferred
  • github.com /varsleak/varsleak-vul/blob/master/clamav-vul/heap-overflow/clamav_chm_crash.md · x_refsource_MISC, x_transferred
  • bugzilla.clamav.net /show_bug.cgi?id=11701 · x_refsource_MISC, x_transferred
  • security.gentoo.org /glsa/201804-16 · vendor-advisory, x_refsource_GENTOO, x_transferred
  • github.com /vrtadmin/clamav-devel/commit/a83773682e856ad6529ba6db8d1792e6d515d7f1 · 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.