Bug 2140058 (CVE-2021-46848)
| Summary: | CVE-2021-46848 libtasn1: Out-of-bound access in ETYPE_OK | ||
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| Product: | [Other] Security Response | Reporter: | Sandipan Roy <saroy> |
| Component: | vulnerability | Assignee: | Red Hat Product Security <security-response-team> |
| Status: | CLOSED ERRATA | QA Contact: | |
| Severity: | medium | Docs Contact: | |
| Priority: | medium | ||
| Version: | unspecified | CC: | bbuckingham, bcourt, btotty, ehelms, jsherril, kyoshida, lzap, mhulan, mmccune, myarboro, nmoumoul, orabin, pcreech, rchan, rh-spice-bugs, ssorce |
| Target Milestone: | --- | Keywords: | Security |
| Target Release: | --- | ||
| Hardware: | All | ||
| OS: | Linux | ||
| Whiteboard: | |||
| Fixed In Version: | libtasn1 4.19.0 | Doc Type: | If docs needed, set a value |
| Doc Text: |
An out-of-bounds read flaw was found in Libtasn1 due to an ETYPE_OK off-by-one error in the asn1_encode_simple_der() function. This flaw allows a remote attacker to pass specially crafted data or invalid values to the application, triggering an off-by-one error, corrupting the memory, and possibly performing a denial of service (DoS) attack.
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Story Points: | --- |
| Clone Of: | Environment: | ||
| Last Closed: | 2023-01-25 14:52:15 UTC | Type: | --- |
| Regression: | --- | Mount Type: | --- |
| Documentation: | --- | CRM: | |
| Verified Versions: | Category: | --- | |
| oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |
| Cloudforms Team: | --- | Target Upstream Version: | |
| Embargoed: | |||
| Bug Depends On: | 2140066, 2140067, 2140069, 2140070, 2140600, 2140601, 2140602, 2140603, 2140604 | ||
| Bug Blocks: | 2137397, 2169449 | ||
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Description
Sandipan Roy
2022-11-04 10:17:55 UTC
Created libtasn1 tracking bugs for this issue: Affects: fedora-35 [bug 2140066] Affects: fedora-36 [bug 2140069] Created mingw-libtasn1 tracking bugs for this issue: Affects: fedora-35 [bug 2140067] Affects: fedora-36 [bug 2140070] This issue has been addressed in the following products: Red Hat Enterprise Linux 8 Via RHSA-2023:0116 https://access.redhat.com/errata/RHSA-2023:0116 This issue has been addressed in the following products: Red Hat Enterprise Linux 9 Via RHSA-2023:0343 https://access.redhat.com/errata/RHSA-2023:0343 This bug is now closed. Further updates for individual products will be reflected on the CVE page(s): https://access.redhat.com/security/cve/cve-2021-46848 This issue has been addressed in the following products: Red Hat Enterprise Linux 8.6 Extended Update Support Via RHSA-2024:0427 https://access.redhat.com/errata/RHSA-2024:0427 |