Improper input validation in Cryptopp Crypto\+\+
CVE-2016-9939
Crypto++ (aka cryptopp and libcrypto++) 5.6.4 contained a bug in its ASN.1 BER decoding routine. The library will allocate a memory block based on the length field of the ASN.1 object. If there is not enough content octets in the ASN.1 obj…
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
EPSS: 0.042 (89.9th 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
- Cryptopp Crypto\+\+ — versions 5.6.4
- Debian Debian_linux — versions 8.0
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (mailing-list, x_refsource_MLIST, Patch, Mailing List, Third Party Advisory)
- cve@mitre.org (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
- cve@mitre.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
- cve@mitre.org (vendor-advisory, x_refsource_FEDORA)
Frequently asked questions
- What is CVE-2016-9939?
- CVE-2016-9939 is a high-severity vulnerability in Cryptopp Crypto\+\+, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2017-01-30.
- How severe is CVE-2016-9939?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2016-9939 known to be exploited?
- 34 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.