CVE-2017-1000409

HIGH

glibc 2.5 - Buffer Overflow via LD_LIBRARY_PATH Environment Variable

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2017-1000409. PoCs published by Qualys Corporation.

AI-analyzed exploit summary The document describes a buffer overflow (CVE-2017-1000409) and memory leak (CVE-2017-1000408) in glibc's dynamic loader (ld.so), exploitable via LD_LIBRARY_PATH and LD_HWCAP_MASK environment variables. It includes a detailed analysis of the vulnerabilities but does not contain executable exploit code.

Description

A buffer overflow in glibc 2.5 (released on September 29, 2006) and can be triggered through the LD_LIBRARY_PATH environment variable. Please note that many versions of glibc are not vulnerable to this issue if patched for CVE-2017-1000366.

Exploits (1)

exploitdb WRITEUP VERIFIED
by Qualys Corporation · textlocallinux
https://www.exploit-db.com/exploits/43331

The document describes a buffer overflow (CVE-2017-1000409) and memory leak (CVE-2017-1000408) in glibc's dynamic loader (ld.so), exploitable via LD_LIBRARY_PATH and LD_HWCAP_MASK environment variables. It includes a detailed analysis of the vulnerabilities but does not contain executable exploit code.

Classification
Writeup 100%
Attack Type
Lpe
Complexity
Moderate
Reliability
Theoretical
Target: glibc (2.5 to 2.25)
No auth needed
Prerequisites: Unpatched glibc version · SUID binary execution · Disabled protected_hardlinks
MITRE ATT&CK
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (3)

Core 3
Core References
Exploit, Third Party Advisory, VDB Entry exploit x_refsource_exploit-db
https://www.exploit-db.com/exploits/43331/
Exploit, Mailing List, Third Party Advisory mailing-list x_refsource_mlist
http://seclists.org/oss-sec/2017/q4/385
Vendor Advisory x_refsource_confirm
https://security.netapp.com/advisory/ntap-20190404-0003/

Scores

CVSS v3 7.0
EPSS 0.0123
EPSS Percentile 65.1%
Attack Vector LOCAL
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-119
Status published
Products (1)
gnu/glibc 2.5
Published Feb 01, 2018
Tracked Since Feb 18, 2026