CVE-2016-5399

Home/CVE/The bzread function in ext/bz2/bz2.c in PHP before 5.5.38, 5.6.x before 5.6.24, and 7.x before 7.0.9 allows remote attac

CVE

The bzread function in ext/bz2/bz2.c in PHP before 5.5.38, 5.6.x before 5.6.24, and 7.x before 7.0.9 allows remote attac

The bzread function in ext/bz2/bz2.c in PHP before 5.5.38, 5.6.x before 5.6.24, and 7.x before 7.0.9 allows remote attackers to cause a denial of service (out-of-bounds write) or execute arbitrary code via a crafted bz2 archive.

HIGH · CVSS 7.8 EPSS 0.13858

Act now

EPSS ≥ 0.10 - elevated exploitation probability
EPSS percentile: top 6% of all CVEs by exploitation likelihood
Public exploit or PoC is available
CVSS base score ≥ 7.0

Sigma rules0 YARA rules0

⬡

Weakness Classification

CWE-787Out-of-bounds Write

▤

Affected Products & Versions

php<= 5.5.37
php>= 5.6.0 and < 5.6.24
php>= 7.0.0 and < 7.0.9

⚠

Public Exploits & PoCs

dosPHP 5.5.37/5.6.23/7.0.8 - 'bzread()' Out-of-Bounds Writeverified
pocpacketstormsecurity.com · PHP-7.0.8-5.6.23-5.5.37-bzread-OOB-Write.htmlpacketstormsecurity.com
pocbugs.php.net · bug.php?id=72613bugs.php.net
pocwww.exploit-db.com · 40155www.exploit-db.com

▣

Scoring & Timeline

7.8

HIGH · CVSS v3.1 · secalert@redhat.com

View on NVD

Attack Vector

Network Adjacent Local Physical

Attack Complexity

Low High

Privileges Required

None Low High

User Interaction

None Required

Scope

Unchanged Changed

Confidentiality

None Low High

Integrity

None Low High

Availability

None Low High

Published to NVD21 Apr 2017 · 08:59 PM

CVSS VectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

⚑

Vendor Advisories

suse-csafSUSE-SU-2016:2460-1
suse-csafSUSE-SU-2016:2460-2
suse-csafSUSE-SU-2016:2408-1
suse-csafSUSE-SU-2016:2328-1
rhsaRHSA-2016:2750Moderate
Show all 9 vendor advisoriessuse-csafSUSE-SU-2016:2210-1
suse-csafSUSE-SU-2016:2080-1
usnUSN-3045-1
rhsaRHSA-2016:2598Moderate

🔗

References & Sources

Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.

http://php.net/ChangeLog-5.phpRelease NotesVendor Advisory

http://php.net/ChangeLog-7.phpRelease NotesVendor Advisory

http://rhn.redhat.com/errata/RHSA-2016-2598.htmlThird Party Advisory

http://rhn.redhat.com/errata/RHSA-2016-2750.htmlThird Party Advisory

http://seclists.org/fulldisclosure/2016/Jul/72ExploitMailing ListThird Party Advisory

http://www.debian.org/security/2016/dsa-3631Third Party Advisory

Show all 12 references

http://www.openwall.com/lists/oss-security/2016/07/21/1ExploitMailing ListThird Party Advisory

http://www.securityfocus.com/archive/1/538966/100/0/threadedThird Party AdvisoryVDB Entry

http://www.securityfocus.com/bid/92051Third Party AdvisoryVDB Entry

http://www.securitytracker.com/id/1036430Third Party AdvisoryVDB Entry

https://bugzilla.redhat.com/show_bug.cgi?id=1358395Issue TrackingThird Party AdvisoryVDB Entry

https://security.netapp.com/advisory/ntap-20180112-0001/Third Party Advisory

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