7.5high

CVE-2018-7549

In params.c in zsh through 5.4.2, there is a crash during a copy of an empty hash table, as demonstrated by typeset -p.

Published 8 y ago · modified 4 mo ago · JSON

CVSS
7.5
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
2.6%
percentile 85%
Public exploits
0
none known

Summary

In params.c in zsh through 5.4.2, there is a crash during a copy of an empty hash table, as demonstrated by typeset -p.

Exploit prediction (EPSS)

2.59% probability of exploitation in the next 30 days, higher than 85% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.07.5CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD2.05.0AV:N/AC:L/Au:N/C:N/I:N/A:P

Classification

Weakness
  • CWE-20 Improper Input Validation

References

  • usn.ubuntu.com /3593-1/ · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • security.gentoo.org /glsa/201805-10 · vendor-advisory, x_refsource_GENTOO, x_transferred
  • sourceforge.net /p/zsh/code/ci/c2cc8b0fbefc9868fa83537f5b6d90fc1ec438dd · x_refsource_MISC, x_transferred
  • access.redhat.com /errata/RHSA-2018:3073 · vendor-advisory, x_refsource_REDHAT, 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.