Insight-tech Yosemite Backup 8.7 ytwindtb.dll DtbClsLogin memory corruption

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
9.1$0-$5k0.00

Summaryinfo

A vulnerability was found in Insight-tech Yosemite Backup 8.7. It has been classified as critical. Impacted is the function DtbClsLogin in the library ytwindtb.dll. This manipulation causes memory corruption. This vulnerability is tracked as CVE-2008-5177. The attack is possible to be carried out remotely. Moreover, an exploit is present.

Detailsinfo

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 databases at X-Force (46515), SecurityFocus (BID 32246†), OSVDB (49743†) and Secunia (SA32262†). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 10.0
VulDB Meta Temp Score: 9.1

VulDB Base Score: 10.0
VulDB Temp Score: 9.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Programming Language: 🔍
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/11/2008 🔍
11/11/2008 +0 days 🔍
11/11/2008 +0 days 🔍
11/11/2008 +0 days 🔍
11/20/2008 +8 days 🔍
11/20/2008 +0 days 🔍
03/17/2015 +2308 days 🔍
07/31/2019 +1597 days 🔍

Sourcesinfo

Advisory: securityfocus.com⛔
Researcher: Abdul-Aziz Hariri
Status: Not defined

CVE: CVE-2008-5177 (🔍)
GCVE (CVE): GCVE-0-2008-5177
GCVE (VulDB): GCVE-100-45127
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

Entryinfo

Created: 03/17/2015 16:11
Updated: 07/31/2019 16:51
Changes: 03/17/2015 16:11 (64), 07/31/2019 16:51 (2)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Interested in the pricing of exploits?

See the underground prices here!