Public exploit available
Public proof-of-concept or exploit code exists (ExploitDB / Metasploit / Nuclei).

CVE-2014-6277

CWE-78 — OS Command InjectionCWE-119 — Buffer Overflow19 documents12 sources
Severity
10.0CRITICAL
EPSS
86.5%
top 0.58%
CISA KEV
Not in KEV
Exploit
PoC available
Public exploit / PoC exists
Affected products
1
GNU Bash
Timeline
PublishedSep 27
Latest updateAug 10

Description

GNU Bash through 4.3 bash43-026 does not properly parse function definitions in the values of environment variables, which allows remote attackers to execute arbitrary code or cause a denial of service (uninitialized memory access, and untrusted-pointer read and write operations) via a crafted environment, as demonstrated by vectors involving the ForceCommand feature in OpenSSH sshd, the mod_cgi and mod_cgid modules in the Apache HTTP Server, scripts executed by unspecified DHCP clients, and oth…

CVSS vector

AV:N/AC:L/C:C/I:C/A:CExploitability: 10.0 | Impact: 10.0

Affected Packages3 packages

▶Debianbash< 4.3-9.2+3
▶Ubuntubash< 4.3-7ubuntu1.5
▶NVDgnu/bash25 versions+24

Patches

Patch: lcamtuf.blogspot.com ↗Patch: lcamtuf.blogspot.com ↗

🔴Vulnerability Details

6
OSV
php-dompdf vulnerabilities↗2023-08-10
▶
GHSA
GHSA-55cc-h8m2-x3mp: GNU Bash through 4↗2022-05-14
▶
OSV
bash vulnerabilities↗2014-10-09
▶
OSV
CVE-2014-6277: GNU Bash through 4↗2014-09-27
▶
CVEList
CVE-2014-6277: GNU Bash through 4↗2014-09-27
▶

💥Exploits & PoCs

3
Exploit-DB
Binary File Descriptor Library (libbfd) - Out-of-Bounds Crash↗2014-10-27
▶
Exploit-DB
GNU bash 4.3.11 - Environment Variable dhclient↗2014-10-02
▶
Exploit-DB
dhclient 4.1 - Bash Environment Variable Command Injection (Shellshock)↗2014-09-29
▶

📋Vendor Advisories

7
Ubuntu
Bash vulnerabilities↗2014-10-09
▶
Red Hat
bash: incorrect parsing of function definitions with nested command substitutions↗2014-09-29
▶
Red Hat
bash: uninitialized here document closing delimiter pointer use↗2014-09-27
▶
Cisco
GNU Bash Environment Variable Command Injection Vulnerability↗2014-09-26
▶
Debian
CVE-2014-6277: bash - GNU Bash through 4.3 bash43-026 does not properly parse function definitions in ...↗2014
▶

💬Community

2
Bugzilla
CVE-2014-6278 bash: incorrect parsing of function definitions with nested command substitutions↗2014-09-29
▶
Bugzilla
CVE-2014-6277 bash: uninitialized here document closing delimiter pointer use↗2014-09-28
▶