Out-of-bounds Read in Php
CVE-2020-7064
In PHP versions 7.2.x below 7.2.9, 7.3.x below 7.3.16 and 7.4.x below 7.4.4, while parsing EXIF data with exif_read_data() function, it is possible for malicious data to cause PHP to read one byte of uninitialized memory. This could potentially lead to information disclosure or crash.
Vulnerability class: Buffer Overflow
EPSS: 0.043 (90.1th 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
- Php
- Php Group — versions 7.3.x, 7.4.x, 7.2.x
- Tenable Tenable.sc
- Canonical Ubuntu_linux — versions 12.04, 14.04, 16.04
- Debian Debian_linux — versions 8.0, 9.0, 10.0
- Opensuse Leap — versions 15.1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security@php.net (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
- security@php.net (x_refsource_UBUNTU, vendor-advisory, Third Party Advisory)
- security@php.net (x_refsource_UBUNTU, vendor-advisory, 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_DEBIAN)
- security@php.net (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
- security@php.net (Exploit, Patch, x_refsource_MISC, Issue Tracking, Vendor Advisory)
- security@php.net (x_refsource_CONFIRM, Third Party Advisory)
- security@php.net (Third Party Advisory, x_refsource_MISC)
- security@php.net (x_refsource_CONFIRM, Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-7064?
- CVE-2020-7064 is a medium-severity vulnerability in Php, classified under Out-of-bounds Read. CVSS score: 6.5/10. Published 2020-04-01.
- How severe is CVE-2020-7064?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2020-7064 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.