VAR-201903-0122
Vulnerability from variot - Updated: 2025-05-05 22:10A flaw was found in the way civetweb frontend was handling requests for ceph RGW server with SSL enabled. An unauthenticated attacker could create multiple connections to ceph RADOS gateway to exhaust file descriptors for ceph-radosgw service resulting in a remote denial of service. civetWeb Contains a resource management vulnerability.Service operation interruption (DoS) There is a possibility of being put into a state. RedHat Ceph is prone to a remote denial-of-service vulnerability. Attackers can exploit this issue to cause denial-of-service conditions. ========================================================================== Ubuntu Security Notice USN-4035-1 June 25, 2019
ceph vulnerabilities
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 19.04
- Ubuntu 18.10
- Ubuntu 16.04 LTS
Summary:
Several security issues were fixed in Ceph.
Software Description: - ceph: distributed storage and file system
Details:
It was discovered that Ceph incorrectly handled read only permissions. An authenticated attacker could use this issue to obtain dm-crypt encryption keys. This issue only affected Ubuntu 16.04 LTS. (CVE-2018-14662)
It was discovered that Ceph incorrectly handled certain OMAPs holding bucket indices. This issue only affected Ubuntu 16.04 LTS. (CVE-2018-16846)
It was discovered that Ceph incorrectly sanitized certain debug logs. A local attacker could possibly use this issue to obtain encryption key information. This issue was only addressed in Ubuntu 18.10 and Ubuntu 19.04. (CVE-2018-16889)
It was discovered that Ceph incorrectly handled certain civetweb requests. This issue only affected Ubuntu 18.10 and Ubuntu 19.04. (CVE-2019-3821)
Update instructions:
The problem can be corrected by updating your system to the following package versions:
Ubuntu 19.04: ceph 13.2.4+dfsg1-0ubuntu2.1 ceph-common 13.2.4+dfsg1-0ubuntu2.1
Ubuntu 18.10: ceph 13.2.4+dfsg1-0ubuntu0.18.10.2 ceph-common 13.2.4+dfsg1-0ubuntu0.18.10.2
Ubuntu 16.04 LTS: ceph 10.2.11-0ubuntu0.16.04.2 ceph-common 10.2.11-0ubuntu0.16.04.2
In general, a standard system update will make all the necessary changes.
References: https://usn.ubuntu.com/4035-1 CVE-2018-14662, CVE-2018-16846, CVE-2018-16889, CVE-2019-3821
Package Information: https://launchpad.net/ubuntu/+source/ceph/13.2.4+dfsg1-0ubuntu2.1 https://launchpad.net/ubuntu/+source/ceph/13.2.4+dfsg1-0ubuntu0.18.10.2 https://launchpad.net/ubuntu/+source/ceph/10.2.11-0ubuntu0.16.04.2
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Drag nodes to arrange them. Double-click a related vulnerability to open it, or a source to visit its link. The Physics button on the left tunes the layout and the simulation; the legend at the bottom left hides or shows nodes by kind and by sighting type.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Vulnerability timeline
Sightings and recorded dates, grouped by day · UTC
How durations are calculated
Following the VTEM framework (Black Hat USA 2015), time to patch starts when the vendor or a coordinator was informed, total time to patch at discovery, and disclosure to patch at public disclosure; vendor response time runs from the report to its acknowledgement. Time to exploit and time unpatched start at the earliest discovery or report, falling back to public disclosure. Unpatched time ends at the first recorded patch, or the calculation time when no patch is recorded. Exploitation to patch shows the interval between those two events; a published proof of concept is a public exploit, not exploitation.
Each result shows its source dates. A negative interval means the end event came first; when date-only inputs leave the order open, the result says so. Date-only inputs are approximate. The earliest evidence wins: KEV report dates and sightings are labelled as such. Records describing another vulnerability are listed but never calculated from, and a PoC alone does not establish exploitation. Missing patch evidence does not prove that no patch exists. Filters below change the event list only.
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The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.