CVE-2019-11049

Advisory lineage Upstream: 0 Downstream: 1
Downstream
Modified
Published: 23 Dec 2019, 02:40
Last modified:16 Sept 2024, 20:47

Vulnerability Summary

Overall Risk (default)
high
70/100
CVSS Score
9.8 CRITICAL
v3.1 (nvd)
EPSS Score
2.8% LOW
3% probability +0.07%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

23 Dec 2019, 02:40
Published
Vulnerability first disclosed
16 Sept 2024, 20:47
Last Modified
Vulnerability information updated

Description

In PHP versions 7.3.x below 7.3.13 and 7.4.0 on Windows, when supplying custom headers to mail() function, due to mistake introduced in commit 78f4b4a2dcf92ddbccea1bb95f8390a18ac3342e, if the header is supplied in lowercase, this can result in double-freeing certain memory locations.

CVSS Metrics

  • v3.1MEDIUMScore: 6.5CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H
  • v3.1CRITICALScore: 9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  • v2.0HIGHScore: 7.5AV:N/AC:L/Au:N/C:P/I:P/A:P

EPSS Trends

Current EPSS score: 2.80% Percentile: 86%

Techniques & Countermeasures

  • CWE-415Double Free

    The product calls free() twice on the same memory address.

Affected Systems

  • debiandebian_linux

    10.0

  • fedoraprojectfedora

    30 | 31

  • UnknownPHP

    ≥ 7.3.x, < 7.3.13 | ≥ 7.4.x, < 7.4.1

  • UnknownPHP

    ≥ 7.3.0, ≤ 7.3.13 | 7.4.0

  • tenablesecuritycenter

    < 5.19.0

References (7)