VulnerabilityModified
CVE-2017-1082
Feeding a pathological input to the algorithm can lead to excessive stack usage and potential overflow.
HIGH 7.5EPSS 1.16%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.16%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
In FreeBSD 11.x before 11.1-RELEASE and 10.x before 10.4-RELEASE, the qsort algorithm has a deterministic recursion pattern. Feeding a pathological input to the algorithm can lead to excessive stack usage and potential overflow. Applications that use qsort to handle large data set may crash if the input follows the pathological pattern.
- CVSS 3.0
- 7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 1.16% probability · 65th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-20
- Affected
- freebsd/freebsd
- Source
- secteam@freebsd.org
References
- https://www.qualys.com/2017/06/19/stack-clash/stack-clash.txtExploit, Technical Description, Third Party Advisory
- https://www.qualys.com/2017/06/19/stack-clash/stack-clash.txtExploit, Technical Description, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.