Out-of-bounds Read in Php
CVE-2019-11050
When PHP EXIF extension is parsing EXIF information from an image, e.g. via exif_read_data() function, in PHP versions 7.2.x below 7.2.26, 7.3.x below 7.3.13 and 7.4.0 it is possible to supply it with data what will cause it to read past the allocated buffer. This may lead to information disclosure or crash.
Vulnerability class: Buffer Overflow
EPSS: 0.076 (93.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L.
Affected products
- Php — versions 7.4.0
- Php Group — versions 7.2.x, 7.3.x, 7.4.x
- Tenable Securitycenter
- Canonical Ubuntu_linux — versions 12.04, 14.04, 16.04
- Debian Debian_linux — versions 8.0, 9.0, 10.0
- Fedoraproject Fedora — versions 30, 31
- Opensuse Leap — versions 15.1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security@php.net (Exploit, Patch, Mailing List, x_refsource_MISC, Vendor Advisory)
- security@php.net (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
- security@php.net (x_refsource_CONFIRM, Third Party Advisory)
- security@php.net (x_refsource_FEDORA, vendor-advisory)
- security@php.net (x_refsource_FEDORA, vendor-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 (mailing-list, x_refsource_BUGTRAQ, Mailing List, Third Party Advisory)
- security@php.net (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
- security@php.net (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
Frequently asked questions
- What is CVE-2019-11050?
- CVE-2019-11050 is a medium-severity vulnerability in Php, classified under Out-of-bounds Read. CVSS score: 4.8/10. Published 2019-12-23.
- How severe is CVE-2019-11050?
- Medium severity. CVSS v3 base score is 4.8 out of 10.
- Is CVE-2019-11050 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.