CVE-2019-7715
Setting this variable using the sysvar command results in a user-controlled format string during login, resulting in an information leak of memory addresses.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.49%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.0
- 7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- EPSS
- 1.49% probability · 73th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-134
- Affected
- ghs/integrity rtos
- Source
- cve@mitre.org
References
- https://github.com/bl4ckic3/GHS-BugsThird Party Advisory
- https://www.ghs.com/products/rtos/integrity.htmlVendor Advisory
- https://github.com/bl4ckic3/GHS-BugsThird Party Advisory
- https://www.ghs.com/products/rtos/integrity.htmlVendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.