Vulnerability in Facebook Thrift
CVE-2019-3558
Python Facebook Thrift servers would not error upon receiving messages with containers of fields of unknown type. As a result, malicious clients could send short messages which would take a long time for the server to parse, potentially leading to denial of service. This issue affects Facebook Thrift prior to v2019.02.18.00.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.020 (80.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 80th percentile — 80.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.020 · newest: 0.020 · change: 0.000
Affected products
- Facebook Thrift — versions v2019.02.18.00, unspecified
- Facebook Thrift
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/facebook/fbthrift/commit/c5d6e07588cd03061bc54d451a7fa6e84883d62b (Patch, Third Party Advisory)
- www.facebook.com/security/advisories/cve-2019-3558 (Vendor Advisory)
- www.securityfocus.com/bid/108274 (vdb-entry, Broken Link)
- lists.apache.org/thread.html/rd0e44e8ef71eeaaa3cf3d1b8b41eb25894372e2995ec908ce… (mailing-list)
Frequently asked questions
- What is CVE-2019-3558?
- CVE-2019-3558 is a high-severity vulnerability in Facebook Thrift, classified under Excessive Iteration. CVSS score: 7.5/10. Published 2019-05-06.
- How severe is CVE-2019-3558?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2019-3558 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.