CVE-2021-44493
Quick assessment
Affected
n/a n/a
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
YottaDB是美国YottaDB公司的一个实时数据库。 YottaDB r1.32 和 V7.0-000 之前版本存在安全漏洞，攻击者可以调用 $Extract 来强制保存缓冲区大小的有符号整数采用较大的负数，然后将其用作堆栈上发生的 memcpy 调用的长度，从而导致缓冲区溢出。
Possible ATT&CK Techniques 1 AI
T1203 · Exploitation for Client Execution
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I. Basic Information for CVE-2021-44493
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
An issue was discovered in YottaDB through r1.32 and V7.0-000 and FIS GT.M through V7.0-000. Using crafted input, an attacker can cause a call to $Extract to force an signed integer holding the size of a buffer to take on a large negative number, which is then used as the length of a memcpy call that occurs on the stack, causing a buffer overflow.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
YottaDB 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
YottaDB是美国YottaDB公司的一个实时数据库。 YottaDB r1.32 和 V7.0-000 之前版本存在安全漏洞，攻击者可以调用 $Extract 来强制保存缓冲区大小的有符号整数采用较大的负数，然后将其用作堆栈上发生的 memcpy 调用的长度，从而导致缓冲区溢出。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| - | n/a | n/a | - |
|
II. Public POCs for CVE-2021-44493
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2021-44493 (3)
-
https://sourceforge.net/projects/fis-gtm/files/ x_refsource_MISC
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https://gitlab.com/YottaDB/DB/YDB/-/issues/828 x_refsource_MISC
Same Patch Batch · n/a · 2022-04-15 · 67 CVEs total
| CVE-2022-24279 | 7.5 HIGH | Prototype Pollution |
| CVE-2022-29287 | 4.9 MEDIUM | Kentico 安全漏洞 |
| CVE-2022-27425 | Chamilo LMS 跨站脚本漏洞 | |
| CVE-2021-44494 | YottaDB 代码问题漏洞 | |
| CVE-2022-27423 | Chamilo LMS SQL注入漏洞 | |
| CVE-2021-44508 | FIS GT.M 代码问题漏洞 | |
| CVE-2021-44506 | FIS GT.M 代码问题漏洞 | |
| CVE-2022-27257 | Hubzilla 安全漏洞 | |
| CVE-2021-44505 | FIS GT.M 代码问题漏洞 | |
| CVE-2021-44504 | FIS GT.M 安全漏洞 | |
| CVE-2021-44503 | FIS GT.M 缓冲区错误漏洞 | |
| CVE-2021-44502 | FIS GT.M 安全漏洞 | |
| CVE-2021-44501 | FIS GT.M 代码问题漏洞 | |
| CVE-2021-44500 | FIS GT.M数字错误漏洞 | |
| CVE-2021-44499 | FIS GT.M 缓冲区错误漏洞 | |
| CVE-2021-44498 | FIS GT.M 代码问题漏洞 | |
| CVE-2021-44497 | FIS GT.M 资源管理错误漏洞 | |
| CVE-2021-44496 | YottaDB缓冲区错误漏洞 | |
| CVE-2021-44495 | YottaDB 代码问题漏洞 | |
| CVE-2022-27367 | CScms SQL注入漏洞 |
Showing top 20 of 67 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
V. Comments for CVE-2021-44493
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