CVE-2017-1000115 - Improper Link Resolution Before File Access ('Link Following')

Severity

50%

Complexity

99%

Confidentiality

48%

Mercurial prior to version 4.3 is vulnerable to a missing symlink check that can malicious repositories to modify files outside the repository

Mercurial prior to version 4.3 is vulnerable to a missing symlink check that can malicious repositories to modify files outside the repository

CVSS 3.0 Base Score 7.5. CVSS Attack Vector: network. CVSS Attack Complexity: low. CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N).

CVSS 2.0 Base Score 5. CVSS Attack Vector: network. CVSS Attack Complexity: low. CVSS Vector: (AV:N/AC:L/Au:N/C:N/I:P/A:N).

Overview

First reported 7 years ago

2017-10-05 01:29:00

Last updated 5 years ago

2019-05-10 14:58:00

Affected Software

Debian Linux 8.0 (Jessie)

8.0

Debian Linux 9.0

9.0

RedHat Enterprise Linux Desktop 7.0

7.0

RedHat Enterprise Linux Server 7.0

7.0

Red Hat Enterprise Linux Server Advanced mission critical Update Support (AUS) 7.4

7.4

Red Hat Enterprise Linux Server Advanced mission critical Update Support (AUS) 7.6

7.6

Red Hat Enterprise Linux Server Extended Update Support (EUS) 7.4

7.4

Red Hat Enterprise Linux Server Extended Update Support (EUS) 7.5

7.5

Red Hat Enterprise Linux Server Extended Update Support (EUS) 7.6

7.6

Red Hat Enterprise Linux Server TUS 7.4

7.4

Red Hat Enterprise Linux Server Telecommunications Update Service (TUS) 7.6

7.6

RedHat Enterprise Linux Workstation 7.0

7.0

References

DSA-3963

Third Party Advisory

100290

Third Party Advisory, VDB Entry

RHSA-2017:2489

Third Party Advisory

GLSA-201709-18

Third Party Advisory, VDB Entry

https://www.mercurial-scm.org/wiki/WhatsNew#Mercurial_4.3_.2F_4.3.1_.282017-08-10.29

Release Notes, Vendor Advisory

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