Bug 1954780 (CVE-2019-25035)
Summary: | CVE-2019-25035 unbound: out-of-bounds write in sldns_bget_token_par | ||
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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 out-of-bounds write in the sldns_bget_token_par function may be abused by a remote attacker. 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 20:39:00 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 |
Description
Guilherme de Almeida Suckevicz
2021-04-28 18:44:09 UTC
Upstream patch: https://github.com/NLnetLabs/unbound/commit/fa23ee8f31ba9a018c720ea822faaee639dc7a9c Statement: There is no available reproducer or proof of concept for this issue, nor it was ever proven the out-of-bounds write 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-2019-25035 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 |