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Red Hat Security Advisory 2023-7160-01
Red Hat Security Advisory 2023-7160-01 - An update for opensc is now available for Red Hat Enterprise Linux 8.
The following data is constructed from data provided by Red Hat's json file at:https://access.redhat.com/security/data/csaf/v2/advisories/2023/rhsa-2023_7160.jsonRed Hat officially shut down their mailing list notifications October 10, 2023. Due to this, Packet Storm has recreated the below data as a reference point to raise awareness. It must be noted that due to an inability to easily track revision updates without crawling Red Hat's archive, these advisories are single notifications and we strongly suggest that you visit the Red Hat provided links to ensure you have the latest information available if the subject matter listed pertains to your environment.- Packet Storm Staff====================================================================Red Hat Security AdvisorySynopsis: Low: opensc security and bug fix updateAdvisory ID: RHSA-2023:7160-01Product: Red Hat Enterprise LinuxAdvisory URL: https://access.redhat.com/errata/RHSA-2023:7160Issue date: 2023-11-14Revision: 01CVE Names: CVE-2023-2977====================================================================Summary: An update for opensc is now available for Red Hat Enterprise Linux 8.Red Hat Product Security has rated this update as having a security impact of Low. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.Description:The OpenSC set of libraries and utilities provides support for working with smart cards. OpenSC focuses on cards that support cryptographic operations and enables their use for authentication, mail encryption, or digital signatures.Security Fix(es):* opensc: buffer overrun vulnerability in pkcs15 cardos_have_verifyrc_package (CVE-2023-2977)For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.Additional Changes:For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.9 Release Notes linked from the References section.Solution:https://access.redhat.com/articles/11258CVEs:CVE-2023-2977References:https://access.redhat.com/security/updates/classification/#lowhttps://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.9_release_notes/indexhttps://bugzilla.redhat.com/show_bug.cgi?id=2097048https://bugzilla.redhat.com/show_bug.cgi?id=2196234https://bugzilla.redhat.com/show_bug.cgi?id=2211088
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CVE-2023-2977: Possible buffer overrun vulnerability in pkcs15 `cardos_have_verifyrc_package` · Issue #2785 · OpenSC/OpenSC
A vulnerbility was found in OpenSC. This security flaw cause a buffer overrun vulnerability in pkcs15 cardos_have_verifyrc_package. The attacker can supply a smart card package with malformed ASN1 context. The cardos_have_verifyrc_package function scans the ASN1 buffer for 2 tags, where remaining length is wrongly caculated due to moved starting pointer. This leads to possible heap-based buffer oob read. In cases where ASAN is enabled while compiling this causes a crash. Further info leak or more damage is possible.