Vulnerability Name:

CVE-2017-1000115

Assigned:2017-10-03
Published:2017-08-10
Updated:2017-11-05
Summary:Mercurial prior to version 4.3 is vulnerable to a missing symlink check that can malicious repositories to modify files outside the repository
CVSS v3 Severity:7.5 High (CVSS v3 Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N)
6.5 Medium (Temporal CVSS v3 Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): High
Availibility (A): None
7.5 High (CCN CVSS v3 Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N)
6.5 Medium (CCN Temporal CVSS v3 Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): High
Availibility (A): None
5.4 Medium (REDHAT CVSS v3 Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L)
4.7 Medium (REDHAT Temporal CVSS v3 Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): Low
Availibility (A): Low
CVSS v2 Severity:5.0 Medium (CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): None
7.8 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:C/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): Complete
Availibility (A): None
Vulnerability Type:CWE-59
CWE-22
References:Source: DEBIAN
Type: UNKNOWN
DSA-3963

Source: BID
Type: VENDOR_ADVISORY
100290

Source: XF
Type: UNKNOWN
mercurial-cve20171000115-symlink(133104)

Source: GENTOO
Type: VENDOR_ADVISORY
GLSA-201709-18

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

Vulnerable Configuration:Configuration 1:
  • cpe:/a:mercurial:mercurial:4.2.3:*:*:*:*:*:*:*

  • Configuration RedHat 1:
  • cpe:/o:redhat:enterprise_linux:7:*:*:*:*:*:*:*

  • Configuration CCN 1:
  • cpe:/a:mercurial:mercurial:4.2.3:*:*:*:*:*:*:*

  • Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.opensuse.security:def:20171000115
    V
    CVE-2017-1000115
    2017-12-15
    oval:com.ubuntu.trusty:def:20171000115000
    V
    CVE-2017-1000115 on Ubuntu 14.04 LTS (trusty) - medium.
    2017-10-04
    oval:com.ubuntu.xenial:def:20171000115000
    V
    CVE-2017-1000115 on Ubuntu 16.04 LTS (xenial) - medium.
    2017-10-04
    oval:com.redhat.rhsa:def:20172489
    P
    RHSA-2017:2489: mercurial security update (Important)
    2017-08-17
    BACK
    mercurial mercurial 4.2.3
    redhat enterprise_linux 7