Vulnerability Name:

CVE-2017-12814

Assigned:2017-08-11
Published:2017-09-27
Updated:2017-10-06
Summary:Stack-based buffer overflow in the CPerlHost::Add method in win32/perlhost.h in Perl before 5.24.3-RC1 and 5.26.x before 5.26.1-RC1 on Windows allows attackers to execute arbitrary code via a long environment variable.
CVSS v3 Severity:9.8 Critical (CVSS v3 Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
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): High
Integrity (I): High
Availibility (A): High
7.3 High (CCN CVSS v3 Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)
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): Low
Integrity (I): Low
Availibility (A): Low
CVSS v2 Severity:7.5 High (CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
Vulnerability Type:CWE-119
References:Source: BID
Type: VENDOR_ADVISORY
101051

Source: CONFIRM
Type: VENDOR_ADVISORY
https://perl5.git.perl.org/perl.git/log/refs/tags/v5.24.3-RC1

Source: CONFIRM
Type: VENDOR_ADVISORY
https://perl5.git.perl.org/perl.git/log/refs/tags/v5.26.1-RC1

Source: CONFIRM
Type: VENDOR_ADVISORY
https://rt.perl.org/Public/Bug/Display.html?id=131665

Vulnerable Configuration:Configuration 1:
  • cpe:/a:perl:perl:5.26.0:*:*:*:*:*:*:*
  • OR cpe:/a:perl:perl:5.24.2:*:*:*:*:*:*:*
  • AND
  • cpe:/o:microsoft:windows:-:*:*:*:*:*:*:*

  • Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.trusty:def:201712814000
    V
    CVE-2017-12814 on Ubuntu 14.04 LTS (trusty) - medium.
    2017-09-27
    oval:com.ubuntu.xenial:def:201712814000
    V
    CVE-2017-12814 on Ubuntu 16.04 LTS (xenial) - medium.
    2017-09-27
    BACK
    perl perl 5.26.0
    perl perl 5.24.2
    microsoft windows -