Heap-based buffer overflow in the Client Trust application (clntrust.exe) in Novell BorderManager 3.8 before Update 1.5 allows remote attack
Heap-based buffer overflow in the Client Trust application (clntrust.exe) in Novell BorderManager 3.8 before Update 1.5 allows remote attackers to execute arbitrary code via a validation request in which the Novell tree name is not properly delimited with a wide-character backslash or NULL character.
- Published
- Nov 2, 2007
- Updated
- Jun 16, 2026
- EPSS
- 6.8% · 94th percentile
- CWE
- CWE-119
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Report tools
Action score
42
Plan
Add it to your regular patch cycle.
- CVSS
- 40 / 40 · 10.0 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 2 / 30 · 6.8%
Affected systems
| Vendor | Product | CPE |
|---|---|---|
| novell | bordermanager | cpe:2.3:a:novell:bordermanager |
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- novell bordermanagerup to 3.8 inclusive
Same product
novell: all recordsOther highest-scoring records for the same primary product.
- CVE-2006-7155Novell BorderManager 3.8 SP4 generates the same ISAKMP cookies for the same source IP and port number during the same day, which allows remo31Monitor
- CVE-2000-0651The ClientTrust program in Novell BorderManager does not properly verify the origin of authentication requests, which could allow remote att31Monitor
- CVE-2001-0486Remote attackers can cause a denial of service in Novell BorderManager 3.6 and earlier by sending TCP SYN flood to port 353.22Monitor
- CVE-2000-0152Remote attackers can cause a denial of service in Novell BorderManager 3.5 by pressing the enter key in a telnet connection to port 2000.22Monitor
- CVE-2004-1457The Virtual Private Network (VPN) capability in Novell Bordermanager 3.8 allows remote attackers to cause a denial of service (ABEND in IKE.21Monitor
- CVE-2002-0781RTSP proxy for Novell BorderManager 3.6 SP 1a allows remote attackers to cause a denial of service via a GET request to port 9090 followed b21Monitor
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
No fix version is recorded for this entry. Check the references for vendor advisories.
Exploit status
No known public exploit
No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
No dated events beyond publication.
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
No commit or PR link among the references.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
No credits in the CNA record.
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
No nightly-computed relations.
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
—
Bug bounty scope
No known public program.
Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).
Technical details
Attack conditions
- No special conditions are required; it is repeatable.
If successful
- Confidentiality
- C · data can be read
- Integrity
- C · data or configuration can be modified
- Availability
- C · the service can be disrupted
- Attack complexity
- Low
- Confidentiality impact
- C
- Integrity impact
- C
- Availability impact
- C
Weakness class (CWE)
CWE-119 · Improper Restriction of Operations within the Bounds of a Memory BufferCVSS vector
AV:N/AC:L/Au:N/C:C/I:C/A:C
nvd-primary
Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
Attack patterns (CAPEC)
- Buffer Overflow via Environment VariablesCAPEC-10likelihood: High · High
- Overflow BuffersCAPEC-100likelihood: High · Very High
- Buffer ManipulationCAPEC-123likelihood: High · Very High
- Client-side Injection-induced Buffer OverflowCAPEC-14likelihood: Medium · High
- Filter Failure through Buffer OverflowCAPEC-24likelihood: High · High
- MIME ConversionCAPEC-42likelihood: High · High
- Overflow Binary Resource FileCAPEC-44likelihood: High · Very High
- Buffer Overflow via Symbolic LinksCAPEC-45likelihood: High · High
ATT&CK techniques
—
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.
We use this product, ask for helpChange log
No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.
References
- download.novell.com/Download?buildid=AuOWp2Xsvmc~
- secunia.com/advisories/27468
- securitytracker.com/id?1018882
- www.securityfocus.com/bid/26285
- www.vupen.com/english/advisories/2007/3682
- www.zerodayinitiative.com/advisories/ZDI-07-064.html
Vendor advisories and official records. Exploit/PoC links are deliberately left out.