Home/CVE/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

CVE-2018-16418

A buffer overflow when handling string concatenation in util_acl_to_str in tools/util.c in OpenSC before 0.19.0-rc1 coul

A buffer overflow when handling string concatenation in util_acl_to_str in tools/util.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.

MEDIUM · CVSS 6.6 EPSS 0.00177
Schedule remediation
  • Public exploit or PoC is available
Sigma rules0 YARA rules0
⬡

Weakness Classification

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

Affected Products & Versions

1
opensc project opensc<= 0.18.0
⚠

Public Exploits & PoCs

1
pocwww.x41-dsec.de · x41-2018-002-OpenSCwww.x41-dsec.de
▣

Scoring & Timeline

6.6
MEDIUM · CVSS v3.0 · 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 NVD04 Sep 2018 · 12:29 AM
CVSS VectorCVSS:3.0/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
⚑

Vendor Advisories

6
suse-csafopenSUSE-SU-2024:11123-1
suse-csafSUSE-SU-2018:3622-2
suse-csafSUSE-SU-2018:3621-1
suse-csafSUSE-SU-2018:3622-1
suse-csafSUSE-SU-2018:3629-1
🔗

References & Sources

3
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/OpenSC/OpenSC/commit/360e95d45ac4123255a4c796db96337f332160ad#diff-628c8445c4e7ae92bbc4be08ba11a4c3PatchThird Party Advisory
https://github.com/OpenSC/OpenSC/releases/tag/0.19.0-rc1PatchRelease NotesThird Party Advisory
https://lists.debian.org/debian-lts-announce/2019/09/msg00009.html
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