Out-of-bounds Read in Oracle Communications Diameter Signaling Router
CVE-2020-7067
In PHP versions 7.2.x below 7.2.30, 7.3.x below 7.3.17 and 7.4.x below 7.4.5, if PHP is compiled with EBCDIC support (uncommon), urldecode() function can be made to access locations past the allocated memory, due to erroneously using signed numbers as array indexes.
Vulnerability class: Buffer Overflow
EPSS: 0.043 (90.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
Affected products
- Oracle Communications_diameter_signaling_router
- Php
- Php Group — versions 7.2.x below 7.2.30, 7.3.x below 7.3.17 and 7.4.x below 7.4.5
- Tenable Tenable.sc
- Debian Debian_linux — versions 9.0, 10.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security@php.net (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
- security@php.net (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
- security@php.net (Third Party Advisory, x_refsource_MISC)
- security@php.net (x_refsource_CONFIRM, Exploit, Vendor Advisory)
- security@php.net (x_refsource_CONFIRM, Third Party Advisory)
- security@php.net (Third Party Advisory, x_refsource_MISC, Not Applicable)
- security@php.net (x_refsource_CONFIRM, Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-7067?
- CVE-2020-7067 is a high-severity vulnerability in Oracle Communications Diameter Signaling Router, classified under Out-of-bounds Read. CVSS score: 7.5/10. Published 2020-04-27.
- How severe is CVE-2020-7067?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2020-7067 known to be exploited?
- 5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.