Bug 1954772 (CVE-2019-25032)
| Summary: | CVE-2019-25032 unbound: integer overflow in the regional allocator via regional_alloc | ||
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| Product: | [Other] Security Response | Reporter: | Guilherme de Almeida Suckevicz <gsuckevi> |
| Component: | vulnerability | Assignee: | Red Hat Product Security <security-response-team> |
| Status: | CLOSED ERRATA | QA Contact: | |
| Severity: | medium | Docs Contact: | |
| Priority: | medium | ||
| Version: | unspecified | CC: | aegorenk, akhaitovich, paul.wouters, pemensik, pj.pandit |
| Target Milestone: | --- | Keywords: | Security |
| Target Release: | --- | ||
| Hardware: | All | ||
| OS: | Linux | ||
| Whiteboard: | |||
| Fixed In Version: | unbound 1.9.6 | Doc Type: | If docs needed, set a value |
| Doc Text: |
A flaw was found in unbound. An integer overflow in regional_alloc function may lead to a buffer overflow of the allocated buffer if the size can be controlled by an attacker and can be big enough. The highest threat from this vulnerability is to data confidentiality and integrity as well as service availability.
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Story Points: | --- |
| Clone Of: | Environment: | ||
| Last Closed: | 2021-05-18 20:38:54 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: | 1859933, 1968662, 1968663, 1968664 | ||
| Bug Blocks: | 1954811 | ||
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Description
Guilherme de Almeida Suckevicz
2021-04-28 18:35:20 UTC
please close, this is also an old issue. Hi Paul, please note these are bugs created to keep track of flaws in Fedora/RHEL projects/products, not related to Fedora only. We usually create additional bugs for Fedora maintainers to let them know about issues in their components, but in these cases they were not created, so there is nothing else for you to do, because as you said these issues are already fixed in supported Fedora versions (I see Fedora 32 has 1.10.1, so that's alright). Upstream patch: https://github.com/NLnetLabs/unbound/commit/226298bbd36f1f0fd9608e98c2ae85988b7bbdb8 Statement: There is no available reproducer or proof of concept for this issue, nor it was ever proven the buffer overflow can happen in practice. Indeed in the original report this issue was considered one that might not be triggered and for this reason its Impact is Moderate. This issue has been addressed in the following products: Red Hat Enterprise Linux 8 Via RHSA-2021:1853 https://access.redhat.com/errata/RHSA-2021:1853 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-2019-25032 This issue has been addressed in the following products: Red Hat Enterprise Linux 8.2 Extended Update Support Via RHSA-2022:0632 https://access.redhat.com/errata/RHSA-2022:0632 |