Out-of-bounds Read in Oracle Communications Diameter Signaling Router
CVE-2020-7060
When using certain mbstring functions to convert multibyte encodings, in PHP versions 7.2.x below 7.2.27, 7.3.x below 7.3.14 and 7.4.x below 7.4.2 it is possible to supply data that will cause function mbfl_filt_conv_big5_wchar to read past the allocated buffer. This may lead to information disclosure or crash.
Vulnerability class: Buffer Overflow
EPSS: 0.089 (94.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L.
Affected products
- Oracle Communications_diameter_signaling_router
- Php
- Php Group — versions 7.2.x, 7.3.x, 7.4.x
- Tenable Tenable.sc
- Debian Debian_linux — versions 8.0
- Opensuse Leap — versions 15.1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security@php.net (mailing-list, x_refsource_BUGTRAQ, Mailing List, Third Party Advisory)
- security@php.net (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
- security@php.net (x_refsource_UBUNTU, vendor-advisory, Patch, Third Party Advisory)
- security@php.net (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
- security@php.net (mailing-list, x_refsource_BUGTRAQ, Mailing List, Third Party Advisory)
- security@php.net (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
- security@php.net (vendor-advisory, Mailing List, Third Party Advisory, x_refsource_SUSE)
- security@php.net (vendor-advisory, Third Party Advisory, x_refsource_GENTOO)
- security@php.net (Third Party Advisory, x_refsource_MISC)
- security@php.net (x_refsource_CONFIRM, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-7060?
- CVE-2020-7060 is a medium-severity vulnerability in Oracle Communications Diameter Signaling Router, classified under Out-of-bounds Read. CVSS score: 6.5/10. Published 2020-02-10.
- How severe is CVE-2020-7060?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2020-7060 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.