CVE-2016-4544
The exif_process_TIFF_in_JPEG function in ext/exif/exif.c in PHP before 5.5.35, 5.6.x before 5.6.21, and 7.x before 7.0.6 does not validate TIFF start data, which allows remote attackers to cause a denial of service (out-of-bounds read) or possibly have…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (6.69%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
The exif_process_TIFF_in_JPEG function in ext/exif/exif.c in PHP before 5.5.35, 5.6.x before 5.6.21, and 7.x before 7.0.6 does not validate TIFF start data, which allows remote attackers to cause a denial of service (out-of-bounds read) or possibly have unspecified other impact via crafted header data.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 6.69% probability · 94th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-119
- Affected
- php/php · opensuse/leap · opensuse/opensuse · fedoraproject/fedora · debian/debian linux
- Source
- security@debian.org
References
- http://lists.fedoraproject.org/pipermail/package-announce/2016-May/183736.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-updates/2016-05/msg00086.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-updates/2016-06/msg00027.htmlMailing List, Third Party Advisory
- http://php.net/ChangeLog-5.phpRelease Notes, Vendor Advisory
- http://php.net/ChangeLog-7.phpRelease Notes, Vendor Advisory
- http://rhn.redhat.com/errata/RHSA-2016-2750.htmlThird Party Advisory
- http://www.debian.org/security/2016/dsa-3602Third Party Advisory
- http://www.openwall.com/lists/oss-security/2016/05/05/21Mailing List, Patch, Third Party Advisory
- http://www.securityfocus.com/bid/89844Third Party Advisory, VDB Entry
- https://bugs.php.net/bug.php?id=72094Exploit, Issue Tracking, Vendor Advisory
- https://git.php.net/?p=php-src.git%3Ba=commit%3Bh=082aecfc3a753ad03be82cf14f03ac065723ec92
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05240731Third Party Advisory
- https://security.gentoo.org/glsa/201611-22Third Party Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2016-May/183736.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-updates/2016-05/msg00086.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-updates/2016-06/msg00027.htmlMailing List, Third Party Advisory
- http://php.net/ChangeLog-5.phpRelease Notes, Vendor Advisory
- http://php.net/ChangeLog-7.phpRelease Notes, Vendor Advisory
- http://rhn.redhat.com/errata/RHSA-2016-2750.htmlThird Party Advisory
- http://www.debian.org/security/2016/dsa-3602Third Party Advisory
- http://www.openwall.com/lists/oss-security/2016/05/05/21Mailing List, Patch, Third Party Advisory
- http://www.securityfocus.com/bid/89844Third Party Advisory, VDB Entry
- https://bugs.php.net/bug.php?id=72094Exploit, Issue Tracking, Vendor Advisory
- https://git.php.net/?p=php-src.git%3Ba=commit%3Bh=082aecfc3a753ad03be82cf14f03ac065723ec92
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05240731Third Party Advisory
- https://security.gentoo.org/glsa/201611-22Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.