CVE-1999-0834

RSAREF2 - Buffer Overflow via Encryption and Decryption Functions

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-1999-0834. PoCs published by Alberto Solino.

AI-analyzed exploit summary This exploit targets a buffer overflow vulnerability in the RSAREF cryptographic library (CVE-1999-0834), specifically in functions like RSAPublicEncrypt and RSAPrivateDecrypt. It includes shellcode for Linux and BSD systems to achieve remote code execution on SSH-1.2.27 servers linked against the vulnerable library.

Description

Buffer overflow in RSAREF2 via the encryption and decryption functions in the RSAREF library.

Exploits (1)

exploitdb WORKING POC VERIFIED
by Alberto Solino · textlocallinux
https://www.exploit-db.com/exploits/19655

This exploit targets a buffer overflow vulnerability in the RSAREF cryptographic library (CVE-1999-0834), specifically in functions like RSAPublicEncrypt and RSAPrivateDecrypt. It includes shellcode for Linux and BSD systems to achieve remote code execution on SSH-1.2.27 servers linked against the vulnerable library.

Classification
Working Poc 90%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: SSH-1.2.27 with RSAREF2 library
No auth needed
Prerequisites: SSH-1.2.27 server compiled with --with-rsaref · Network access to the target SSH server
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (1)

Core 1
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/843

Scores

EPSS 0.0214
EPSS Percentile 79.6%

Details

Status published
Products (1)
rsa/rsaref 2.0
Published Dec 01, 1999
Tracked Since Feb 18, 2026