CVE-2008-4619

Sun Solaris 9 - Denial of Service via RPC XDR_DECODE Operation

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2008-4619. PoCs published by Federico L. Bossi Bonin.

AI-analyzed exploit summary This exploit triggers a segmentation fault in Solaris 9's `taddr2uaddr()` function via a malformed XDR-encoded RPC call, causing a remote denial-of-service (DoS). The PoC sends a crafted RPC request to the portmapper service (program 100000, version 4) with an empty string argument, leading to a crash in `__inet_taddr2uaddr()`.

Description

The RPC subsystem in Sun Solaris 9 allows remote attackers to cause a denial of service (daemon crash) via a crafted request to procedure 8 in program 100000 (rpcbind), related to the XDR_DECODE operation and the taddr2uaddr function. NOTE: this might be a duplicate of CVE-2007-0165.

Exploits (1)

exploitdb WORKING POC VERIFIED
by Federico L. Bossi Bonin · cdossolaris
https://www.exploit-db.com/exploits/6775

This exploit triggers a segmentation fault in Solaris 9's `taddr2uaddr()` function via a malformed XDR-encoded RPC call, causing a remote denial-of-service (DoS). The PoC sends a crafted RPC request to the portmapper service (program 100000, version 4) with an empty string argument, leading to a crash in `__inet_taddr2uaddr()`.

Classification
Working Poc 95%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: Solaris 9 (libnsl.so.1)
No auth needed
Prerequisites: Network access to the target's RPC portmapper service (TCP port 111)
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (10)

Core 10
Core References
Third Party Advisory vdb-entry x_refsource_vupen
http://www.vupen.com/english/advisories/2008/2945
Mailing List mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2008/10/29/1
Third Party Advisory third-party-advisory x_refsource_sreason
http://securityreason.com/securityalert/4440
Exploit, Third Party Advisory exploit x_refsource_exploit-db
https://www.exploit-db.com/exploits/6775
Mailing List mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2008/10/31/2
Mailing List mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2008/10/28/2
Vendor Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/32475
Vendor Advisory vendor-advisory x_refsource_sunalert
http://sunsolve.sun.com/search/document.do?assetkey=1-66-200412-1
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/46057

Scores

EPSS 0.1199
EPSS Percentile 95.6%

Details

Status published
Products (1)
sun/sunos 5.9
Published Oct 21, 2008
Tracked Since Feb 18, 2026