Insight-tech Yosemite Backup 8.7 ytwindtb.dll DtbClsLogin memory corruption
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
9.1 | $0-$5k | 0.00 |
A vulnerability classified as very critical was found in Insight-tech Yosemite Backup 8.7 (Backup Software). Affected by this vulnerability is the function DtbClsLogin
in the library ytwindtb.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. The summary by CVE is:
Stack-based buffer overflow in the DtbClsLogin function in Yosemite Backup 8.7 allows remote attackers to (1) execute arbitrary code on a Linux platform, related to libytlindtb.so; or (2) cause a denial of service (application crash) and possibly execute arbitrary code on a Windows platform, related to ytwindtb.dll; via a long username field during authentication.
The bug was discovered 11/11/2008. The weakness was disclosed 11/11/2008 by Abdul-Aziz Hariri (Website). It is possible to read the advisory at securityfocus.com. This vulnerability is known as CVE-2008-5177 since 11/20/2008. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details and also a public exploit are known. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 07/31/2019).
A public exploit has been developed in Python. It is possible to download the exploit at securityfocus.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $0-$5k.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
The vulnerability is also documented in the vulnerability database at X-Force (46515).
Product
Type
Vendor
Name
Version
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: 9.1
VulDB Base Score: 10.0
VulDB Temp Score: 9.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
AV | AC | Au | C | I | A |
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💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
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Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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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: 🔍
Access: Public
Status: Proof-of-Concept
Programming Language: 🔍
Download: 🔍
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
11/11/2008 🔍11/11/2008 🔍
11/11/2008 🔍
11/11/2008 🔍
11/20/2008 🔍
11/20/2008 🔍
03/17/2015 🔍
07/31/2019 🔍
Sources
Advisory: securityfocus.com⛔Researcher: Abdul-Aziz Hariri
Status: Not defined
CVE: CVE-2008-5177 (🔍)
X-Force: 46515 - Yosemite Backup DtbClsLogin() buffer overflow
SecurityFocus: 32246 - Yosemite Backup 'DtbClsLogin()' Remote Buffer Overflow Vulnerability
Secunia: 32262
OSVDB: 49743 - Yosemite Backup on Windows ytwindtb.dll DtbClsLogin() Function Remote Overflow
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 03/17/2015 16:11Updated: 07/31/2019 16:51
Changes: 03/17/2015 16:11 (64), 07/31/2019 16:51 (2)
Complete: 🔍
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