Vulnerability Monitor

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CVE-2017-9527

The mark_context_stack function in gc.c in mruby through 1.2.0 allows attackers to cause a denial of service (heap-based use-after-free and application crash) or possibly have unspecified other impact via a crafted .rb file.

Published

2017-06-11T17:29:00.160

Last Modified

2025-04-20T01:37:25.860

Status

Deferred

Source

[email protected]

Severity

CVSSv3.1: 7.8 (HIGH)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:P/I:P/A:P

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

8.6

Impact Score

6.4

Weaknesses

Type: Primary
CWE-416

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	mruby	mruby	≤ 1.2.0	Yes
Operating System	debian	debian_linux	9.0	Yes

References

https://github.com/mruby/mruby/commit/5c114c91d4ff31859fcd84cf8bf349b737b90d99 Issue Tracking, Patch, Third Party Advisory ([email protected])
https://github.com/mruby/mruby/issues/3486 Exploit, Issue Tracking, Patch, Third Party Advisory ([email protected])
https://lists.debian.org/debian-lts-announce/2022/05/msg00006.html Mailing List, Third Party Advisory ([email protected])
https://github.com/mruby/mruby/commit/5c114c91d4ff31859fcd84cf8bf349b737b90d99 Issue Tracking, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/mruby/mruby/issues/3486 Exploit, Issue Tracking, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.debian.org/debian-lts-announce/2022/05/msg00006.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)