CVE-2007-1327

silc-server 1.0.2 - Denial of Service via Invalid HMAC Algorithm in SILC_SERVER_CMD_FUNC

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2007-1327. PoCs published by Frank Benkstein.

AI-analyzed exploit summary This exploit demonstrates a denial-of-service vulnerability in SILC Server 1.0.2 by sending a malformed 'join' command with non-existent parameters, causing the server to crash.

Description

The SILC_SERVER_CMD_FUNC function in apps/silcd/command.c in silc-server 1.0.2 allows remote attackers to cause a denial of service (NULL dereference and daemon crash) via a request without a cipher algorithm and an invalid HMAC algorithm.

Exploits (1)

exploitdb WORKING POC VERIFIED
by Frank Benkstein · textdoslinux
https://www.exploit-db.com/exploits/29716

This exploit demonstrates a denial-of-service vulnerability in SILC Server 1.0.2 by sending a malformed 'join' command with non-existent parameters, causing the server to crash.

Classification
Working Poc 90%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: SILC Server 1.0.2
No auth needed
Prerequisites: Network access to the SILC Server
mistral-large-3 · analyzed Feb 16, 2026 Full analysis →

References (7)

Core 7
Core References
Permissions Required third-party-advisory x_refsource_secunia
http://secunia.com/advisories/24426
Third Party Advisory vendor-advisory x_refsource_gentoo
http://security.gentoo.org/glsa/glsa-200703-12.xml
Permissions Required third-party-advisory x_refsource_secunia
http://secunia.com/advisories/24431
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/32846
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/22846
Broken Link vdb-entry x_refsource_osvdb
http://osvdb.org/33887
Third Party Advisory mailing-list x_refsource_fulldisc
http://marc.info/?l=full-disclosure&m=117320823618036&w=2

Scores

EPSS 0.0989
EPSS Percentile 95.1%

Details

CWE
CWE-476
Status published
Products (1)
silc/silc-server 1.0.2
Published Mar 07, 2007
Tracked Since Feb 18, 2026