PT-2017-16767 · Gnu+1 · Bash+1

Jens Heyens · Published 2017-03-27 · Updated 2017-05-17 · CVE-2017-5932

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Bash version 4.4

Description The issue allows local users to gain privileges through a crafted filename. This is achieved by starting the filename with a " (double quote) character and a command substitution metacharacter.

Recommendations For Bash version 4.4, consider disabling the path autocompletion feature as a temporary workaround until a patch is available. Restrict access to sensitive areas of the system to minimize the risk of exploitation.

Fix

RCE

Weakness Enumeration

CWE-20

Related Identifiers

CVE-2017-5932

USN-3294-1

Affected Products

Bash

Ubuntu

References · 14

• https://ubuntu.com/security/CVE-2016-0634 · Vendor Advisory
• https://lists.gnu.org/archive/html/bug-bash/2017-01/msg00034.html · Vendor Advisory
• https://ubuntu.com/security/CVE-2016-9401 · Vendor Advisory
• https://ubuntu.com/security/CVE-2016-7543 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2017-5932 · Security Note
• https://ubuntu.com/security/notices/USN-3294-1 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2017-5932 · Vendor Advisory
• http://openwall.com/lists/oss-security/2017/02/08/3 · Patch
• https://ubuntu.com/security/CVE-2017-5932 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2017-5932 · Vendor Advisory
• https://osv.dev/vulnerability/USN-3294-1 · Vendor Advisory
• http://git.savannah.gnu.org/cgit/bash.git/commit/?id=4f747edc625815f449048579f6e65869914dd715 · Patch
• https://security-tracker.debian.org/tracker/CVE-2017-5932 · Vendor Advisory
• http://securityfocus.com/bid/96136 · Note