Skip to main content

Opensc CVE-2018-16425

MEDIUM
Double Free (CWE-415)
2018-09-04 cve@mitre.org
Denial Of Service Opensc Opensc Project
6.6
CVSS 3.0 · NVD
View

Vulnerability Assessment

Weakness
CWE
CWE-415
ASVS 5.0
V15 - Secure Coding and Architecture Double free prevention
Impact

CVSS score of 6.6 (MEDIUM). Attack characteristics: physical attack vector, low complexity, low privileges required, no user interaction not required. Public proof-of-concept exploit code is available.
Exploit ScenarioDerived

Successful exploitation could compromise the medium-severity affected system.
This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
Patch available 0.7% exploitation probability (EPSS)

Get an e-mail when this CVE is exploited, patched or re-scored. Free account.

Alert me

AnalysisAI

A double free when handling responses from an HSM Card in sc_pkcs15emu_sc_hsm_init in libopensc/pkcs15-sc-hsm.c in OpenSC before 0.19.0-rc1 could be used by attackers able to supply crafted. Rated medium severity (CVSS 6.6), this vulnerability is low attack complexity. Public exploit code available.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Sign in to check
Technical ContextAI · show details

This vulnerability is classified under CWE-415. A double free when handling responses from an HSM Card in sc_pkcs15emu_sc_hsm_init in libopensc/pkcs15-sc-hsm.c in OpenSC before 0.19.0-rc1 could be used by attackers able to supply crafted smartcards to cause a denial of service (application crash) or possibly have unspecified other impact. Affected products include: Opensc Project Opensc. Version information: before 0.19.0.

Know when Opensc gets its next vulnerability

  • Watch products and get an email when something new is published
  • Check this CVE against your own stack and servers
  • Exploit and PoC references, threat intelligence from 22 sources
Continue with Google Continue with GitHub

No credit card · 7-day full trial

Severity by source

NVD PRIMARY 6.6 MEDIUM
AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Physical
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

DescriptionNVD

A double free when handling responses from an HSM Card in sc_pkcs15emu_sc_hsm_init in libopensc/pkcs15-sc-hsm.c in OpenSC before 0.19.0-rc1 could be used by attackers able to supply crafted smartcards to cause a denial of service (application crash) or possibly have unspecified other impact.

Threat Intelligence Overview

EPSS Score
0.7%
Top 53% exploitable
Exploit
POC
Public exploit code exists
Data Quality
3 sources
Confidence: Low
NVD CVE.org EPSS GitHub

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity MEDIUM
CISA KEV No
Public POC Yes
EPSS 0.7%
Patch available Yes
Active threat No
Deciding rule
MEDIUM severity (CVSS 4.0-6.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
Poc
System Exposure· derived
Small
Automatable· derived
No
Human Impact· derived
Medium

Priority Score

54
Low Medium High Critical
KEV: 0
EPSS: +1
CVSS: +33
PoC: +20
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Denial of Service MEDIUM

Denial of Service attacks render applications or systems unavailable by overwhelming resources or triggering failure conditions.

Affected Products (CPE)NVD

cpe:2.3:a:opensc_project:opensc:*:*:*:*:*:*:*:*

More in Opensc

View all
CVE-2019-6502 HIGH POC
7.5 Jan 22

sc_context_create in ctx.c in libopensc in OpenSC 0.19.0 has a memory leak, as demonstrated by a call from eidenv. Rated
CVE-2018-16393 MEDIUM POC
6.8 Sep 03

Several buffer overflows when handling responses from a Gemsafe V1 Smartcard in gemsafe_get_cert_len in libopensc/pkcs15
CVE-2018-16392 MEDIUM POC
6.8 Sep 03

Several buffer overflows when handling responses from a TCOS Card in tcos_select_file in libopensc/card-tcos.c in OpenSC
CVE-2018-16391 MEDIUM POC
6.8 Sep 03

Several buffer overflows when handling responses from a Muscle Card in muscle_list_files in libopensc/card-muscle.c in O
CVE-2018-16424 MEDIUM POC
6.6 Sep 04

A double free when handling responses in read_file in tools/egk-tool.c (aka the eGK card tool) in OpenSC before 0.19.0-r
CVE-2018-16423 MEDIUM POC
6.6 Sep 04

A double free when handling responses from a smartcard in sc_file_set_sec_attr in libopensc/sc.c in OpenSC before 0.19.0
CVE-2018-16422 MEDIUM POC
6.6 Sep 04

A single byte buffer overflow when handling responses from an esteid Card in sc_pkcs15emu_esteid_init in libopensc/pkcs1
CVE-2018-16421 MEDIUM POC
6.6 Sep 04

Several buffer overflows when handling responses from a CAC Card in cac_get_serial_nr_from_CUID in libopensc/card-cac.c

CVE-2018-16420 MEDIUM POC
6.6 Sep 04

Several buffer overflows when handling responses from an ePass 2003 Card in decrypt_response in libopensc/card-epass2003
CVE-2018-16419 MEDIUM POC
6.6 Sep 04

Several buffer overflows when handling responses from a Cryptoflex card in read_public_key in tools/cryptoflex-tool.c in
CVE-2018-16418 MEDIUM POC
6.6 Sep 04

A buffer overflow when handling string concatenation in util_acl_to_str in tools/util.c in OpenSC before 0.19.0-rc1 coul
CVE-2019-19480 MEDIUM POC
4.6 Dec 01

An issue was discovered in OpenSC through 0.19.0 and 0.20.x through 0.20.0-rc3. Rated medium severity (CVSS 4.6), this v

Same weakness CWE-415 – Double Free

View all
CVE-2014-0502 HIGH POC
8.8
CVE-2018-0101 CRITICAL POC
10.0
CVE-2023-25136 MEDIUM POC
6.5
CVE-2026-33824 CRITICAL POC
9.8
CVE-2014-1767 HIGH POC
7.2
CVE-2016-5768 CRITICAL POC
9.8
CVE-2016-5772 CRITICAL POC
9.8
CVE-2016-3132 CRITICAL POC
9.8

Same technique Denial Of Service

View all
CVE-2015-5119 CRITICAL POC
9.8
CVE-2011-2462 CRITICAL POC
9.8
CVE-2011-0611 HIGH POC
8.8
CVE-2012-1889 HIGH POC
8.8
CVE-2012-0507 CRITICAL POC
9.8
CVE-2014-1761 HIGH POC
7.8
CVE-2015-5122 CRITICAL POC
9.8
CVE-2011-0609 HIGH POC
7.8

References

Advisories & patches
PATCH https://github.com/OpenSC/OpenSC/commit/360e95d45ac4123255a4c796db96337f332160ad#diff-d643a0fa169471dbf2912f4866dc49c5 PATCH https://github.com/OpenSC/OpenSC/releases/tag/0.19.0-rc1 REF https://lists.debian.org/debian-lts-announce/2019/09/msg00009.html

Search Externally

GitHub PoC Exploit-DB PacketStorm Snyk Rapid7 Nuclei Templates Trickest PoC
Back

This site uses cookies essential for authentication and security. No tracking or analytics cookies are used. Privacy Policy