Home/CVE/The inflateMark function in inflate.c in zlib 1.2.8 might allow context-dependent attackers to have unspecified impact v
CVE

CVE-2016-9842

The inflateMark function in inflate.c in zlib 1.2.8 might allow context-dependent attackers to have unspecified impact v

The inflateMark function in inflate.c in zlib 1.2.8 might allow context-dependent attackers to have unspecified impact via vectors involving left shifts of negative integers.

HIGH · CVSS 8.8 EPSS 0.13024
Schedule remediation
  • EPSS ≥ 0.10 - elevated exploitation probability
  • EPSS percentile: top 6% of all CVEs by exploitation likelihood
  • CVSS base score ≥ 7.0
Sigma rules2 YARA rules0
⬡

Weakness Classification

CWE-1335Incorrect Bitwise Shift of Integer
▤

Affected Products & Versions

26
zlib>= 1.2.3.4 and < 1.2.9
opensuse leapall versions
opensuseall versions
debian linuxall versions
canonical ubuntu linuxall versions
oracle database serverall versions
oracle jdkall versions
oracle jreall versions
◈

Sigma Hunt Rules

2
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
producthighOpenCanary - MySQL Login Attempt
producthighUncommon File Creation By Mysql Daemon Process
▣

Scoring & Timeline

8.8
HIGH · CVSS v3.1 · security@opentext.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 NVD23 May 2017 · 04:29 AM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

25
msrcCVE-2016-9842
usnUSN-4292-1
usnUSN-4246-1
suse-csafSUSE-SU-2018:1815-1
suse-csafSUSE-SU-2018:0005-1
🔗

References & Sources

23
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://lists.opensuse.org/opensuse-updates/2016-12/msg00127.htmlBroken Link
http://lists.opensuse.org/opensuse-updates/2017-01/msg00050.htmlBroken Link
http://lists.opensuse.org/opensuse-updates/2017-01/msg00053.htmlBroken Link
http://www.openwall.com/lists/oss-security/2016/12/05/21Mailing ListPatch
http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.htmlThird Party Advisory
http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.htmlThird Party Advisory
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