Bug 1872473 (CVE-2020-14363)
| Summary: | CVE-2020-14363 libX11: integer overflow leads to double free in locale handling | ||
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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: | high | Docs Contact: | |
| Priority: | high | ||
| Version: | unspecified | CC: | ajax, caillon+fedoraproject, dmoppert, ecrosby, jglisse, john.j5live, mdaenzer, mvanderw, peter.hutterer, rhughes, rstrode, sandmann, tvainio |
| Target Milestone: | --- | Keywords: | Security |
| Target Release: | --- | ||
| Hardware: | All | ||
| OS: | Linux | ||
| Whiteboard: | |||
| Fixed In Version: | libX11 1.6.12 | Doc Type: | If docs needed, set a value |
| Doc Text: |
An integer overflow vulnerability leading to a double-free was found in libX11. This flaw allows a local privileged attacker to cause an application compiled with libX11 to crash, or in some cases, result in arbitrary code execution. The highest threat from this flaw is to confidentiality, integrity as well as system availability.
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Story Points: | --- |
| Clone Of: | Environment: | ||
| Last Closed: | 2020-11-04 20:21:29 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: | 1872474, 1873920, 1873921, 1873922, 1873923, 1918159 | ||
| Bug Blocks: | 1862265 | ||
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Description
Guilherme de Almeida Suckevicz
2020-08-25 20:54:47 UTC
Created libX11 tracking bugs for this issue: Affects: fedora-all [bug 1872474] Upstream advisory: https://lists.x.org/archives/xorg-announce/2020-August/003056.html Upstream patch: https://gitlab.freedesktop.org/xorg/lib/libx11/-/commit/acdaaadcb3d85c61fd43669fc5dddf0f8c3f911d *** Bug 1872572 has been marked as a duplicate of this bug. *** External References: https://lists.x.org/archives/xorg-announce/2020-August/003056.html Statement: Xorg server does not run with root privileges in Red Hat Enterprise Linux 8. Therefore this flaw has been rated as having a moderate impact for Red Hat Enterprise Linux 8. This issue has been addressed in the following products: Red Hat Enterprise Linux 7 Via RHSA-2020:4908 https://access.redhat.com/errata/RHSA-2020:4908 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-2020-14363 This issue has been addressed in the following products: Red Hat Enterprise Linux 6 Via RHSA-2020:4946 https://access.redhat.com/errata/RHSA-2020:4946 This issue has been addressed in the following products: Red Hat Enterprise Linux 8 Via RHSA-2021:1804 https://access.redhat.com/errata/RHSA-2021:1804 |