CVE-2019-19481
published 2019-12-01CVE-2019-19481: An issue was discovered in OpenSC through 0.19.0 and 0.20.x through 0.20.0-rc3. libopensc/card-cac1.c mishandles buffer limits for CAC certificates.
PriorityP413medium4.6CVSS 3.1
AVPACLPRNUINSUCNINAH
EPSS
0.25%
15.8th percentile
An issue was discovered in OpenSC through 0.19.0 and 0.20.x through 0.20.0-rc3. libopensc/card-cac1.c mishandles buffer limits for CAC certificates.
Affected
7 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 | — | — |
| opensc_project | opensc | — | — |
| 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
nvdv3.14.6MEDIUMCVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
nvdv2.02.1LOWAV:L/AC:L/Au:N/C:N/I:N/A:P
osv4.6MEDIUM
vendor_debian4.6MEDIUM
vendor_redhat4.6MEDIUM
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Red Hat
opensc: Improper handling of buffer limits for CAC certificates
vendor_redhat·2019-10-30·CVSS 4.6
CVE-2019-19481 [MEDIUM] CWE-119 opensc: Improper handling of buffer limits for CAC certificates
opensc: Improper handling of buffer limits for CAC certificates
An issue was discovered in OpenSC through 0.19.0 and 0.20.x through 0.20.0-rc3. libopensc/card-cac1.c mishandles buffer limits for CAC certificates.
Package: opensc (Red Hat Enterprise Linux 7) - Will not fix
Debian
CVE-2019-19481: opensc - An issue was discovered in OpenSC through 0.19.0 and 0.20.x through 0.20.0-rc3. ...
vendor_debian·2019·CVSS 4.6
CVE-2019-19481 [MEDIUM] CVE-2019-19481: opensc - An issue was discovered in OpenSC through 0.19.0 and 0.20.x through 0.20.0-rc3. ...
An issue was discovered in OpenSC through 0.19.0 and 0.20.x through 0.20.0-rc3. libopensc/card-cac1.c mishandles buffer limits for CAC certificates.
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-99x7-636q-6hvj: An issue was discovered in OpenSC through 0
ghsa_unreviewed·2022-05-24
CVE-2019-19481 [MEDIUM] GHSA-99x7-636q-6hvj: An issue was discovered in OpenSC through 0
An issue was discovered in OpenSC through 0.19.0 and 0.20.x through 0.20.0-rc3. libopensc/card-cac1.c mishandles buffer limits for CAC certificates.
OSV
CVE-2019-19481: An issue was discovered in OpenSC through 0
osv·2019-12-01·CVSS 4.6
CVE-2019-19481 [MEDIUM] CVE-2019-19481: An issue was discovered in OpenSC through 0
An issue was discovered in OpenSC through 0.19.0 and 0.20.x through 0.20.0-rc3. libopensc/card-cac1.c mishandles buffer limits for CAC certificates.
No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2019-19481 opensc: Improper handling of buffer limits for CAC certificates
bugzilla·2019-12-12·CVSS 4.6
CVE-2019-19481 [MEDIUM] CVE-2019-19481 opensc: Improper handling of buffer limits for CAC certificates
CVE-2019-19481 opensc: Improper handling of buffer limits for CAC certificates
An issue was discovered in OpenSC through 0.19.0 and 0.20.x through 0.20.0-rc3. libopensc/card-cac1.c mishandles buffer limits for CAC certificates.
Reference:
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=18618
Upstream commit:
https://github.com/OpenSC/OpenSC/commit/b75c002cfb1fd61cd20ec938ff4937d7b1a94278
Discussion:
Created opensc tracking bugs for this issue:
Affects: epel-6 [bug 1782957]
Affects: fedora-all [bug 1782956]
---
This issue has been addressed in the following products:
Red Hat Enterprise Linux 8
Via RHSA-2020:4483 https://access.redhat.com/errata/RHSA-2020:4483
---
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):
https://
Bugzilla
CVE-2019-19481 opensc: improper handling of buffer limits for CAC certificates [epel-6]
bugzilla·2019-12-12·CVSS 4.6
CVE-2019-19481 [MEDIUM] CVE-2019-19481 opensc: improper handling of buffer limits for CAC certificates [epel-6]
CVE-2019-19481 opensc: improper handling of buffer limits for CAC certificates [epel-6]
This is an automatically created tracking bug! It was created to ensure
that one or more security vulnerabilities are fixed in affected versions
of epel-6.
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.
Discussion:
Use the following template to for
Bugzilla
CVE-2019-19481 opensc: improper handling of buffer limits for CAC certificates [fedora-all]
bugzilla·2019-12-12·CVSS 4.6
CVE-2019-19481 [MEDIUM] CVE-2019-19481 opensc: improper handling of buffer limits for CAC certificates [fedora-all]
CVE-2019-19481 opensc: improper handling of buffer limits for CAC certificates [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.
NOTE: this issue affects multiple supp
http://www.openwall.com/lists/oss-security/2019/12/29/1https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=18618https://github.com/OpenSC/OpenSC/commit/b75c002cfb1fd61cd20ec938ff4937d7b1a94278https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NDSQLMZZYBHO5X3BK7D6E7E6NZIMZDI5/http://www.openwall.com/lists/oss-security/2019/12/29/1https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=18618https://github.com/OpenSC/OpenSC/commit/b75c002cfb1fd61cd20ec938ff4937d7b1a94278https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NDSQLMZZYBHO5X3BK7D6E7E6NZIMZDI5/
2019-12-01
Published