Vulnerability Monitor

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CVE-2016-8605

The mkdir procedure of GNU Guile temporarily changed the process' umask to zero. During that time window, in a multithreaded application, other threads could end up creating files with insecure permissions. For example, mkdir without the optional mode argument would create directories as 0777. This is fixed in Guile 2.0.13. Prior versions are affected.

Published

2017-01-12T22:59:00.250

Last Modified

2025-04-20T01:37:25.860

Status

Deferred

Source

[email protected]

Severity

CVSSv3.0: 5.3 (MEDIUM)

CVSSv2 Vector

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

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

Exploitability Score

10.0

Impact Score

2.9

Weaknesses

Type: Primary
CWE-275

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	fedoraproject	fedora	23	Yes
Operating System	fedoraproject	fedora	24	Yes
Operating System	fedoraproject	fedora	25	Yes
Application	gnu	guile	≤ 2.0.12	Yes

References

http://www.openwall.com/lists/oss-security/2016/10/12/1 Mailing List, Patch, Third Party Advisory ([email protected])
http://www.securityfocus.com/bid/93510 Third Party Advisory, VDB Entry ([email protected])
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6QTAGSDCTYXTABAA77BQJGNKOOBRV4DK/ ([email protected])
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FNVE5N24FLWDYBQ3LAFMF6BFCWKDO7VM/ ([email protected])
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UJP5S36GTXMDEBXWF6LKKV76DSLNQG44/ ([email protected])
http://www.openwall.com/lists/oss-security/2016/10/12/1 Mailing List, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/93510 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6QTAGSDCTYXTABAA77BQJGNKOOBRV4DK/ (af854a3a-2127-422b-91ae-364da2661108)
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FNVE5N24FLWDYBQ3LAFMF6BFCWKDO7VM/ (af854a3a-2127-422b-91ae-364da2661108)
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UJP5S36GTXMDEBXWF6LKKV76DSLNQG44/ (af854a3a-2127-422b-91ae-364da2661108)