CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
9.4 | $0-$5k | 0.00 |
A vulnerability classified as very critical was found in Novell Client 4.91. This vulnerability affects the function enumprinters
in the library nwspool.dll. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:
Stack-based buffer overflow in the EnumPrinters function in the Spooler service (nwspool.dll) in Novell Client 4.91 SP2, SP3, and SP4 for Windows allows remote attackers to execute arbitrary code via a crafted RPC request, aka Novell bug 353138, a different vulnerability than CVE-2006-5854. NOTE: this issue exists because of an incomplete fix for CVE-2007-6701.
The bug was discovered 02/11/2008. The weakness was disclosed 02/13/2008 (Website). The advisory is shared for download at zerodayinitiative.com. This vulnerability was named CVE-2008-0639 since 02/06/2008. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 08/06/2019). It is expected to see the exploit prices for this product decreasing in the near future.
It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 2 days. During that time the estimated underground price was around $25k-$100k.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 5262.
The vulnerability is also documented in the vulnerability database at X-Force (40431). The entry 41031 is pretty similar.
Product
Vendor
Name
Version
License
Support
- end of life
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 10.0VulDB Meta Temp Score: 9.4
VulDB Base Score: 10.0
VulDB Temp Score: 9.4
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
AV | AC | Au | C | I | A |
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💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Memory corruptionCWE: CWE-119
ATT&CK: Unknown
Local: No
Remote: Yes
Availability: 🔍
Status: Proof-of-Concept
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
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Today | unlock | unlock | unlock | unlock |
Saint ID: exploit_info/novell_client_nwspool_enumprinters
Saint Name: Novell Client nwspool.dll EnumPrinters buffer overflow
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
TippingPoint: 🔍
McAfee IPS: 🔍
McAfee IPS Version: 🔍
SourceFire IPS: 🔍
ISS Proventia IPS: 🔍
PaloAlto IPS: 🔍
Fortigate IPS: 🔍
Timeline
02/06/2008 🔍02/11/2008 🔍
02/11/2008 🔍
02/11/2008 🔍
02/12/2008 🔍
02/13/2008 🔍
02/13/2008 🔍
03/02/2008 🔍
03/16/2015 🔍
08/06/2019 🔍
Sources
Vendor: novell.comAdvisory: zerodayinitiative.com
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2008-0639 (🔍)
X-Force: 40431
SecurityTracker: 1019366
Vulnerability Center: 17747 - Novell Client 4.91 SP2-SP4 for Windows Spooler Service Stack-Based Buffer Overflow, Critical
SecurityFocus: 27741 - Novell Client 'nwspool.dll' EnumPrinters RPC Request Buffer Overflow Vulnerability
Secunia: 28895
OSVDB: 41510 - Novell - Client - 'nwspool.dll' EnumPrinters RPC Request Buffer Overflow Issue
Vupen: ADV-2008-0496
See also: 🔍
Entry
Created: 03/16/2015 13:43Updated: 08/06/2019 07:28
Changes: 03/16/2015 13:43 (70), 08/06/2019 07:28 (11)
Complete: 🔍
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