NULL pointer dereference in PHP
CVE-2016-9934
ext/wddx/wddx.c in PHP before 5.6.28 and 7.x before 7.0.13 allows remote attackers to cause a denial of service (NULL pointer dereference) via crafted serialized data in a wddxPacket XML document, as demonstrated by a PDORow string.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.068 (93.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 94th percentile — 93.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.068 · newest: 0.068 · change: 0.000
Affected products
- PHP — versions 7.0.0, 7.0.1, 7.0.2
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.openwall.com/lists/oss-security/2016/12/12/2 (mailing-list, Third Party Advisory)
- lists.opensuse.org/opensuse-updates/2017-01/msg00054.html (vendor-advisory)
- www.php.net/ChangeLog-7.php (Release Notes, Vendor Advisory)
- www.securityfocus.com/bid/94845 (vdb-entry)
- access.redhat.com/errata/RHSA-2018:1296 (vendor-advisory)
- www.php.net/ChangeLog-5.php (Release Notes, Vendor Advisory)
- lists.opensuse.org/opensuse-updates/2017-01/msg00034.html (vendor-advisory)
- lists.opensuse.org/opensuse-updates/2016-12/msg00142.html (vendor-advisory)
- github.com/php/php-src/commit/6045de69c7dedcba3eadf7c4bba424b19c81d00d (Vendor Advisory)
- bugs.php.net/bug.php (Vendor Advisory)
Frequently asked questions
- What is CVE-2016-9934?
- CVE-2016-9934 is a high-severity vulnerability in PHP, classified under NULL Pointer Dereference. CVSS score: 7.5/10. Published 2017-01-04.
- How severe is CVE-2016-9934?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2016-9934 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.