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Mageia 7 MGASA-2020-0454 Critical: x11vnc Access Control Issue

mageia
Calendar Grey December 8, 2020
Dist Mageia Esm H88
Discover the x11vnc security patch addressing a flaw that permits unapproved access to shared memory resources.
scan.c in x11vnc 0.9.16 uses IPC_CREAT|0777 in shmget calls, which allows access by actors other than the current user

Summary

scan.c in x11vnc 0.9.16 uses IPC_CREAT|0777 in shmget calls, which allows access by actors other than the current user. (CVE-2020-29074)

References

- https://bugs.mageia.org/show_bug.cgi?id=27684

- https://lists.debian.org/debian-security-announce/2020/msg00206.html

- https://www.cve.org/CVERecord?id=CVE-2020-29074

Topics%20covered

Topics Covered

security advisory security issue update critical access control issue mageia x11vnc

Resolution

SRPMS

- 7/core/x11vnc-0.9.16-1.1.mga7

Severity
critical
Lowest
Low
Medium
High
Critical

Publication date: 08 Dec 2020
URL: https://advisories.mageia.org/MGASA-2020-0454.html
Type: security
CVE: CVE-2020-29074

Topics%20covered

Topics Covered

security advisory security issue update critical access control issue mageia x11vnc

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