4.3med

CVE-2017-0887

Nextcloud Server before 9.0.55 and 10.0.2 suffers from a bypass in the quota limitation.

Published 9 y ago · modified 4 mo ago · JSON

CVSS
4.3
v3.1 · NVD
CISA KEV
No
not known exploited
EPSS
0.9%
percentile 59%
Public exploits
0
none known

Summary

Nextcloud Server before 9.0.55 and 10.0.2 suffers from a bypass in the quota limitation. Due to not properly sanitizing values provided by the `OC-Total-Length` HTTP header an authenticated adversary may be able to exceed their configured user quota. Thus using more space than allowed by the administrator.

Exploit prediction (EPSS)

0.89% probability of exploitation in the next 30 days, higher than 59% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.14.3CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
NVD2.04.0AV:N/AC:L/Au:S/C:N/I:P/A:N

Affected products

  • Nextcloud Nextcloud Server

Classification

Weakness
  • CWE-807 Reliance on Untrusted Inputs in a Security Decision
  • CWE-20 Improper Input Validation

References

  • nextcloud.com /security/advisory/?id=nc-sa-2017-005 · x_refsource_CONFIRM, x_transferred
  • hackerone.com /reports/173622 · x_refsource_MISC, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.