vulnwire
7.5high

CVE-2017-7523

Cygwin versions 1.7.2 up to and including 1.8.0 are vulnerable to buffer overflow vulnerability in wcsxfrm/wcsxfrm_l functions resulting in…

Published 9 y ago · modified 4 mo ago · JSON

CVSS
7.5
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
2.7%
percentile 86%
Public exploits
0
none known

Cygwin versions 1.7.2 up to and including 1.8.0 are vulnerable to buffer overflow vulnerability in wcsxfrm/wcsxfrm_l functions resulting into denial-of-service by crashing the process or potential hijack of the process running with administrative privileges triggered by specially crafted input string.

Exploit prediction (EPSS)

2.75% probability of exploitation in the next 30 days, higher than 86% 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

Affected products

  • Red Hat, Inc. cygwin

Classification

Weakness
  • CWE-787 Out-of-bounds Write
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

  • cygwin.com /ml/cygwin/2017-05/msg00149.html · 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.