Out-of-bounds Read in PHP
CVE-2019-11047
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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.075 (94.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 94th percentile — 94.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.075 · newest: 0.075 · change: 0.000
Affected products
- PHP — versions 7.4.0
- PHP Group — versions 7.2.x, 7.3.x, 7.4.x
- Canonical Ubuntu Linux — versions 12.04, 14.04, 16.04
- Debian Linux — versions 8.0, 9.0, 10.0
- Fedoraproject Fedora — versions 30, 31
Weakness classification (CWE)
Public proof-of-concept exploits
References
- bugs.php.net/bug.php (Exploit, Patch, Vendor Advisory)
- lists.debian.org/debian-lts-announce/2019/12/msg00034.html (mailing-list, Mailing List, Third Party Advisory)
- security.netapp.com/advisory/ntap-20200103-0002/ (Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- usn.ubuntu.com/4239-1/ (vendor-advisory, Third Party Advisory)
- lists.opensuse.org/opensuse-security-announce/2020-01/msg00036.html (vendor-advisory, Mailing List, Third Party Advisory)
- seclists.org/bugtraq/2020/Feb/27 (mailing-list, Mailing List, Third Party Advisory)
- www.debian.org/security/2020/dsa-4626 (vendor-advisory, Third Party Advisory)
- www.debian.org/security/2020/dsa-4628 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2019-11047?
- CVE-2019-11047 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-2019-11047?
- Medium severity. CVSS v3 base score is 4.8 out of 10.
- Is CVE-2019-11047 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.