Buffer overflow in Oracle Linux
CVE-2015-4643
Integer overflow in the ftp_genlist function in ext/ftp/ftp.c in PHP before 5.4.42, 5.5.x before 5.5.26, and 5.6.x before 5.6.10 allows remote FTP servers to execute arbitrary code via a long reply to a LIST command, leading to a heap-based buffer overflow. NOTE: this vulnerability exists because of an incomplete fix for CVE-2015-4022.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.163 (96.9th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 97th percentile — 96.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.169 · newest: 0.163 · change: -0.006
Affected products
- Oracle Linux — versions 6, 7
- PHP
- Debian Linux — versions 7.0, 8.0
- Red Hat Enterprise Linux Desktop — versions 6.0, 7.0
- Red Hat Enterprise Linux Server — versions 6.0, 7.0
- Red Hat Enterprise Linux Server Aus — versions 6.6, 7.3, 7.4
- Red Hat Enterprise Linux Server Eus — versions 6.6, 7.1, 7.2
- Red Hat Enterprise Linux Server Tus — versions 6.6, 7.3, 7.6
- Red Hat Enterprise Linux Workstation — versions 6.0, 7.0
Weakness classification (CWE)
References
- rhn.redhat.com/errata/RHSA-2015-1187.html (vendor-advisory, Third Party Advisory)
- bugs.php.net/bug.php (Exploit, Issue Tracking, Vendor Advisory)
- www.securitytracker.com/id/1032709 (VDB Entry, Third Party Advisory, vdb-entry)
- rhn.redhat.com/errata/RHSA-2015-1186.html (vendor-advisory, Third Party Advisory)
- www.debian.org/security/2015/dsa-3344 (vendor-advisory, Third Party Advisory)
- www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html (Third Party Advisory)
- openwall.com/lists/oss-security/2015/06/18/6 (mailing-list, Patch, Mailing List, Third Party Advisory)
- php.net/ChangeLog-5.php (Release Notes, Vendor Advisory)
- www.securityfocus.com/bid/75291 (VDB Entry, Third Party Advisory, vdb-entry)
- rhn.redhat.com/errata/RHSA-2015-1135.html (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2015-4643?
- CVE-2015-4643 is a critical-severity vulnerability in Oracle Linux, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2016-05-16.
- How severe is CVE-2015-4643?
- Critical severity. CVSS v3 base score is 9.8 out of 10.