Home/CVE/In PCRE 8.41, after compiling, a pcretest load test PoC produces a crash overflow in the function match() in pcre_exec.c
CVE

CVE-2017-16231

In PCRE 8.41, after compiling, a pcretest load test PoC produces a crash overflow in the function match() in pcre_exec.c

In PCRE 8.41, after compiling, a pcretest load test PoC produces a crash overflow in the function match() in pcre_exec.c because of a self-recursive call. NOTE: third parties dispute the relevance of this report, noting that there are options that can be used to limit the amount of stack that is used.

MEDIUM · CVSS 5.5 EPSS 0.00102
Schedule remediation
  • Public exploit or PoC is available
Sigma rules2 YARA rules0
⬡

Weakness Classification

CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer
▤

Affected Products & Versions

1
pcreall versions
⚠

Public Exploits & PoCs

1
pocpacketstormsecurity.com · PCRE-8.41-Buffer-Overflow.htmlpacketstormsecurity.com
◈

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.
producthighPCRE.NET Package Temp Files
producthighPCRE.NET Package Image Load
▣

Scoring & Timeline

5.5
MEDIUM · CVSS v3.1 · cve@mitre.org
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 Mar 2019 · 03:59 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
SSVC triage · cisa-vulnrichment
Exploitation
poc
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

7
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://seclists.org/fulldisclosure/2018/Dec/33Mailing ListThird Party Advisory
http://www.openwall.com/lists/oss-security/2017/11/01/11Mailing ListThird Party Advisory
http://www.openwall.com/lists/oss-security/2017/11/01/3ExploitMailing ListThird Party Advisory
http://www.openwall.com/lists/oss-security/2017/11/01/7Mailing ListThird Party Advisory
http://www.openwall.com/lists/oss-security/2017/11/01/8ExploitMailing ListThird Party Advisory
http://www.securityfocus.com/bid/101688Third Party AdvisoryVDB Entry
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