Buffer overflow in PHP
CVE-2014-3597
Multiple buffer overflows in the php_parserr function in ext/standard/dns.c in PHP before 5.4.32 and 5.5.x before 5.5.16 allow remote DNS servers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted DNS record, related to the dns_get_record function and the dn_expand function. NOTE: this issue exists because of an incomplete fix for CVE-2014-4049.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v2 metric
CVSS v2 base score 6.8 (Medium). Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.154 (96.7th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 97th percentile — 96.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.154 · newest: 0.154 · change: 0.000
Affected products
- PHP — versions 5.4.0, 5.4.1, 5.4.2
Weakness classification (CWE)
Public proof-of-concept exploits
References
- support.apple.com/HT204659
- rhn.redhat.com/errata/RHSA-2014-1766.html (vendor-advisory)
- secunia.com/advisories/60609 (third-party-advisory)
- www.ubuntu.com/usn/USN-2344-1 (vendor-advisory)
- php.net/ChangeLog-5.php
- lists.opensuse.org/opensuse-updates/2014-09/msg00055.html (vendor-advisory)
- bugs.php.net/bug.php (Vendor Advisory)
- rhn.redhat.com/errata/RHSA-2014-1326.html (vendor-advisory)
- lists.apple.com/archives/security-announce/2015/Apr/msg00001.html (vendor-advisory)
- www.securityfocus.com/bid/69322 (vdb-entry)
Frequently asked questions
- What is CVE-2014-3597?
- CVE-2014-3597 is a vulnerability in PHP, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. Published 2014-08-23.
- Is CVE-2014-3597 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.