Current Description
An issue was discovered in the Interpeak IPCOMShell TELNET server on Green Hills INTEGRITY RTOS 5.0.4. The main shell handler function uses the value of the environment variable ipcom.shell.greeting as the first argument to printf(). Setting this variable using the sysvar command results in a user-controlled format string during login, resulting in an information leak of memory addresses.
Source:
MITRE
View Analysis Description
Analysis Description
An issue was discovered in the Interpeak IPCOMShell TELNET server on Green Hills INTEGRITY RTOS 5.0.4. The main shell handler function uses the value of the environment variable ipcom.shell.greeting as the first argument to printf(). Setting this variable using the sysvar command results in a user-controlled format string during login, resulting in an information leak of memory addresses.
Source:
MITRE
Severity
CVSS 3.x Severity and Metrics:
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS 2.0 Severity and Metrics:
Vector: (AV:N/AC:L/Au:N/C:P/I:N/A:N)
References to Advisories, Solutions, and Tools
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Weakness Enumeration
CWE-ID |
CWE Name |
Source |
CWE-134 |
Use of Externally-Controlled Format String |
NIST
|
Change History
2 change records found
- show changes
Reanalysis -
3/27/2019 10:28:51 AM
Action |
Type |
Old Value |
New Value |
Changed |
CPE Configuration |
OR
*cpe:2.3:a:ghs:integrity_rtos:5.0.4:*:*:*:*:*:*:* |
OR
*cpe:2.3:o:ghs:integrity_rtos:5.0.4:*:*:*:*:*:*:* |
Initial Analysis -
3/27/2019 9:27:18 AM
Action |
Type |
Old Value |
New Value |
Added |
CPE Configuration |
|
OR
*cpe:2.3:a:ghs:integrity_rtos:5.0.4:*:*:*:*:*:*:* |
Added |
CVSS V2 |
|
(AV:N/AC:L/Au:N/C:P/I:N/A:N) |
Added |
CVSS V3 |
|
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
Added |
CWE |
|
CWE-134 |
Changed |
Reference Type |
https://github.com/bl4ckic3/GHS-Bugs No Types Assigned |
https://github.com/bl4ckic3/GHS-Bugs Third Party Advisory |
Changed |
Reference Type |
https://www.ghs.com/products/rtos/integrity.html No Types Assigned |
https://www.ghs.com/products/rtos/integrity.html Vendor Advisory |