Out-of-bounds Read in F5 Big-ip_access_policy_manager
CVE-2018-16890
libcurl versions from 7.36.0 to before 7.64.0 is vulnerable to a heap buffer out-of-bounds read. The function handling incoming NTLM type-2 messages (`lib/vauth/ntlm.c:ntlm_decode_type2_target`) does not validate incoming data correctly an…
Vulnerability class: Buffer Overflow
EPSS: 0.054 (91.7th percentile) — read the EPSS interpretation.
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.
Affected products
- F5 Big-ip_access_policy_manager
- Haxx Libcurl
- Netapp Clustered_data_ontap
- Oracle Communications_operations_monitor — versions 3.4, 4.0
- Oracle Http_server — versions 12.2.1.3.0
- Oracle Secure_global_desktop — versions 5.4
- Siemens Sinema_remote_connect_client
- The Curl Project — versions 7.64.0
- Canonical Ubuntu_linux — versions 14.04, 16.04, 18.04
- Debian Debian_linux — versions 9.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secalert@redhat.com (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
- secalert@redhat.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
- secalert@redhat.com (Patch, x_refsource_MISC, Vendor Advisory)
- secalert@redhat.com (x_refsource_CONFIRM, Patch, Third Party Advisory)
- secalert@redhat.com (x_refsource_UBUNTU, vendor-advisory, Third Party Advisory)
- secalert@redhat.com (x_refsource_CONFIRM, Patch, Third Party Advisory, Mitigation, Issue Tracking)
- secalert@redhat.com (mailing-list, x_refsource_MLIST)
- secalert@redhat.com (x_refsource_CONFIRM, Third Party Advisory)
- secalert@redhat.com (Patch, Third Party Advisory, x_refsource_MISC)
- secalert@redhat.com (Patch, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2018-16890?
- CVE-2018-16890 is a high-severity vulnerability in F5 Big-ip_access_policy_manager, classified under Out-of-bounds Read. CVSS score: 7.5/10. Published 2019-02-06.
- How severe is CVE-2018-16890?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2018-16890 known to be exploited?
- 9 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.