CVE-2016-7167

Advisory lineage Upstream: 0 Downstream: 13
Modified
Published: 07 Oct 2016, 14:00
Last modified:06 Aug 2024, 01:50

Vulnerability Summary

Overall Risk (default)
high
70/100
CVSS Score
9.8 CRITICAL
v3.0 (nvd)
EPSS Score
2.26% LOW
2% probability -0.60%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

07 Oct 2016, 14:00
Published
Vulnerability first disclosed
06 Aug 2024, 01:50
Last Modified
Vulnerability information updated

Description

Multiple integer overflows in the (1) curl_escape, (2) curl_easy_escape, (3) curl_unescape, and (4) curl_easy_unescape functions in libcurl before 7.50.3 allow attackers to have unspecified impact via a string of length 0xffffffff, which triggers a heap-based buffer overflow.

CVSS Metrics

  • v3.0•CRITICAL•Score: 9.8CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  • v2.0•HIGH•Score: 7.5AV:N/AC:L/Au:N/C:P/I:P/A:P

EPSS Trends

Current EPSS score: 2.26%• Percentile: 85%

Techniques & Countermeasures

  • CWE-190•Integer Overflow or Wraparound

    The product performs a calculation that can produce an integer overflow or wraparound when the logic assumes that the resulting value will always be larger than the original value. This occurs when an integer value is incremented to a value that is too large to store in the associated representation. When this occurs, the value may become a very small or negative number.

Affected Systems

  • fedoraproject•fedora

    23 | 24 | 25

  • haxx•libcurl

    ≤ 7.50.2

References (13)