Vulnerability in F5 Traffix Signaling Delivery Controller
CVE-2019-13050
Interaction between the sks-keyserver code through 1.2.0 of the SKS keyserver network, and GnuPG through 2.2.16, makes it risky to have a GnuPG keyserver configuration line referring to a host on the SKS keyserver network. Retrieving data from this network may cause a persistent denial of service, because of a Certificate Spamming Attack.
Vulnerability class: Improper Certificate Validation
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: 0.025 (84.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 85th percentile — 84.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.027 · newest: 0.025 · change: -0.001
Affected products
- F5 Traffix Signaling Delivery Controller
- Gnupg
- Sks Keyserver Project
- Fedoraproject Fedora — versions 29, 30
- openSUSE Leap — versions 15.0, 15.1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- gist.github.com/rjhansen/67ab921ffb4084c865b3618d6955275f (Exploit, Third Party Advisory, Mitigation, Issue Tracking)
- lists.gnupg.org/pipermail/gnupg-announce/2019q3/000439.html (Third Party Advisory)
- twitter.com/lambdafu/status/1147162583969009664 (Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.opensuse.org/opensuse-security-announce/2019-08/msg00039.html (vendor-advisory, Mailing List, Third Party Advisory)
- support.f5.com/csp/article/K08654551 (Third Party Advisory)
- support.f5.com/csp/article/K08654551
- lists.apache.org/thread.html/rf9fa47ab66495c78bb4120b0754dd9531ca2ff0430f6685ac… (mailing-list)
- lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a4508… (mailing-list)
Frequently asked questions
- What is CVE-2019-13050?
- CVE-2019-13050 is a high-severity vulnerability in F5 Traffix Signaling Delivery Controller, classified under Improper Certificate Validation. CVSS score: 7.5/10. Published 2019-06-29.
- How severe is CVE-2019-13050?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2019-13050 known to be exploited?
- 8 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.