Vulnerability in Openssl
CVE-2016-2109
The asn1_d2i_read_bio function in crypto/asn1/a_d2i_fp.c in the ASN.1 BIO implementation in OpenSSL before 1.0.1t and 1.0.2 before 1.0.2h allows remote attackers to cause a denial of service (memory consumption) via a short invalid encodin…
EPSS: 0.579 (98.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Openssl — versions 1.0.2, 1.0.2a, 1.0.2b
- Redhat Enterprise_linux_desktop — versions 7.0, 6.0
- Redhat Enterprise_linux_hpc_node — versions 7.0, 6.0
- Redhat Enterprise_linux_hpc_node_eus — versions 7.2
- Redhat Enterprise_linux_server — versions 7.0, 6.0
- Redhat Enterprise_linux_server_aus — versions 7.2
- Redhat Enterprise_linux_server_eus — versions 7.2
- Redhat Enterprise_linux_workstation — versions 7.0, 6.0
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secalert@redhat.com
- secalert@redhat.com
- SSA:2016-124-01 (vendor-advisory)
- RHSA-2016:2056 (vendor-advisory)
- openSUSE-SU-2016:1238 (vendor-advisory)
- openSUSE-SU-2016:1242 (vendor-advisory)
- secalert@redhat.com
- secalert@redhat.com
- SUSE-SU-2016:1267 (vendor-advisory)
- RHSA-2016:2073 (vendor-advisory)
Frequently asked questions
- What is CVE-2016-2109?
- CVE-2016-2109 is a high-severity vulnerability in Openssl, classified under CWE-399. CVSS score: 7.5/10. Published 2016-05-05.
- How severe is CVE-2016-2109?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2016-2109 known to be exploited?
- 9 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.