CVE-2018-16421
published 2018-09-04CVE-2018-16421: Several buffer overflows when handling responses from a CAC Card in cac_get_serial_nr_from_CUID in libopensc/card-cac.c in OpenSC before 0.19.0-rc1 could be…
PriorityP421medium6.6CVSS 3.0
AVPACLPRLUINSUCHIHAH
EPSS
0.69%
49.1th percentile
Several buffer overflows when handling responses from a CAC Card in cac_get_serial_nr_from_CUID in libopensc/card-cac.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
6 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | opensc | < opensc 0.19.0~rc1-1 (bookworm) | opensc 0.19.0~rc1-1 (bookworm) |
| opensc_project | opensc | <= 0.18.0 | — |
| opensc_project | opensc | >= 0 < 0.19.0~rc1-1 | 0.19.0~rc1-1 |
| opensc_project | opensc | >= 0 < 0.19.0~rc1-1 | 0.19.0~rc1-1 |
| opensc_project | opensc | >= 0 < 0.19.0~rc1-1 | 0.19.0~rc1-1 |
| opensc_project | opensc | >= 0 < 0.19.0~rc1-1 | 0.19.0~rc1-1 |
CVSS provenance
nvdv3.06.6MEDIUMCVSS:3.0/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
nvdv2.04.6MEDIUMAV:L/AC:L/Au:N/C:P/I:P/A:P
osv6.6MEDIUM
vendor_debian6.6LOW
vendor_redhat6.6MEDIUM
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Red Hat
opensc: Buffer overflows handling responses from CAC Cards in card-cac.c:cac_get_serial_nr_from_CUID()
vendor_redhat·2018-09-12·CVSS 6.6
CVE-2018-16421 [MEDIUM] CWE-120 opensc: Buffer overflows handling responses from CAC Cards in card-cac.c:cac_get_serial_nr_from_CUID()
opensc: Buffer overflows handling responses from CAC Cards in card-cac.c:cac_get_serial_nr_from_CUID()
Several buffer overflows when handling responses from a CAC Card in cac_get_serial_nr_from_CUID in libopensc/card-cac.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.
Package: opensc (Red Hat Enterprise Linux 8) - Not affected
Debian
CVE-2018-16421: opensc - Several buffer overflows when handling responses from a CAC Card in cac_get_seri...
vendor_debian·2018·CVSS 6.6
CVE-2018-16421 [MEDIUM] CVE-2018-16421: opensc - Several buffer overflows when handling responses from a CAC Card in cac_get_seri...
Several buffer overflows when handling responses from a CAC Card in cac_get_serial_nr_from_CUID in libopensc/card-cac.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.
Scope: local
bookworm: resolved (fixed in 0.19.0~rc1-1)
bullseye: resolved (fixed in 0.19.0~rc1-1)
forky: resolved (fixed in 0.19.0~rc1-1)
sid: resolved (fixed in 0.19.0~rc1-1)
trixie: resolved (fixed in 0.19.0~rc1-1)
GHSA
GHSA-h7qm-v38r-6f4c: Several buffer overflows when handling responses from a CAC Card in cac_get_serial_nr_from_CUID in libopensc/card-cac
ghsa_unreviewed·2022-05-14
CVE-2018-16421 [MEDIUM] CWE-119 GHSA-h7qm-v38r-6f4c: Several buffer overflows when handling responses from a CAC Card in cac_get_serial_nr_from_CUID in libopensc/card-cac
Several buffer overflows when handling responses from a CAC Card in cac_get_serial_nr_from_CUID in libopensc/card-cac.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.
OSV
CVE-2018-16421: Several buffer overflows when handling responses from a CAC Card in cac_get_serial_nr_from_CUID in libopensc/card-cac
osv·2018-09-04·CVSS 6.6
CVE-2018-16421 [MEDIUM] CVE-2018-16421: Several buffer overflows when handling responses from a CAC Card in cac_get_serial_nr_from_CUID in libopensc/card-cac
Several buffer overflows when handling responses from a CAC Card in cac_get_serial_nr_from_CUID in libopensc/card-cac.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.
No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2018-16421 opensc: Buffer overflows handling responses from CAC Cards in card-cac.c:cac_get_serial_nr_from_CUID()
bugzilla·2018-09-12·CVSS 6.6
CVE-2018-16421 [MEDIUM] CVE-2018-16421 opensc: Buffer overflows handling responses from CAC Cards in card-cac.c:cac_get_serial_nr_from_CUID()
CVE-2018-16421 opensc: Buffer overflows handling responses from CAC Cards in card-cac.c:cac_get_serial_nr_from_CUID()
Several buffer overflows when handling responses from a CAC Card in cac_get_serial_nr_from_CUID in libopensc/card-cac.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.
External References:
https://www.x41-dsec.de/lab/advisories/x41-2018-002-OpenSC/
Upstream Patch:
https://github.com/OpenSC/OpenSC/commit/360e95d45ac4123255a4c796db96337f332160ad#diff-848b13147a344ba2c6361d91ca77feb1
Discussion:
Created opensc tracking bugs for this issue:
Affects: fedora-all [bug 1628035]
---
This issue has been addressed in the following products:
Bugzilla
CVE-2018-16421 opensc: Buffer overflows handling responses from CAC Cards in card-cac.c:cac_get_serial_nr_from_CUID() [fedora-all]
bugzilla·2018-09-12·CVSS 6.6
CVE-2018-16421 [MEDIUM] CVE-2018-16421 opensc: Buffer overflows handling responses from CAC Cards in card-cac.c:cac_get_serial_nr_from_CUID() [fedora-all]
CVE-2018-16421 opensc: Buffer overflows handling responses from CAC Cards in card-cac.c:cac_get_serial_nr_from_CUID() [fedora-all]
This is an automatically created tracking bug! It was created to ensure
that one or more security vulnerabilities are fixed in affected versions
of fedora-all.
For comments that are specific to the vulnerability please use bugs filed
against the "Security Response" product referenced in the "Blocks" field.
For more information see:
http://fedoraproject.org/wiki/Security/TrackingBugs
When submitting as an update, use the fedpkg template provided in the next
comment(s). This will include the bug IDs of this tracking bug as well as
the relevant top-level CVE bugs.
Please also mention the CVE IDs being fixed in the RPM changelog and the
fedpkg commit message.
https://access.redhat.com/errata/RHSA-2019:2154https://github.com/OpenSC/OpenSC/commit/360e95d45ac4123255a4c796db96337f332160ad#diff-848b13147a344ba2c6361d91ca77feb1https://github.com/OpenSC/OpenSC/releases/tag/0.19.0-rc1https://lists.debian.org/debian-lts-announce/2019/09/msg00009.htmlhttps://www.x41-dsec.de/lab/advisories/x41-2018-002-OpenSC/https://access.redhat.com/errata/RHSA-2019:2154https://github.com/OpenSC/OpenSC/commit/360e95d45ac4123255a4c796db96337f332160ad#diff-848b13147a344ba2c6361d91ca77feb1https://github.com/OpenSC/OpenSC/releases/tag/0.19.0-rc1https://lists.debian.org/debian-lts-announce/2019/09/msg00009.htmlhttps://www.x41-dsec.de/lab/advisories/x41-2018-002-OpenSC/
2018-09-04
Published