CVE-2014-0160
HIGH severity · CVSS 7.5 · Out-of-bounds read · actively exploited (CISA KEV)
7.5CVSS HIGH ● exploited
🔴 Actively exploited in the wild (CISA Known Exploited Vulnerabilities).
Added to KEV 2022-05-04. US federal agencies must patch by 2022-05-25.
Summary
The (1) TLS and (2) DTLS implementations in OpenSSL 1.0.1 before 1.0.1g do not properly handle Heartbeat Extension packets, which allows remote attackers to obtain sensitive information from process memory via crafted packets that trigger a buffer over-read, as demonstrated by reading private keys, related to d1_both.c and t1_lib.c, aka the Heartbleed bug.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
Confidentiality impactHigh
Integrity impactNone
Availability impactNone
Exploit probability (EPSS)94%
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Recommendation
This vulnerability is being actively exploited in the wild — patch affected products urgently. Open any affected product above for its exact safe version.
Additional information
- NVD record
- http://advisories.mageia.org/MGASA-2014-0165.htmlAdvisory
- http://blog.fox-it.com/2014/04/08/openssl-heartbleed-bug-live-blog/Advisory
- http://cogentdatahub.com/ReleaseNotes.html
- http://download.schneider-electric.com/files?p_Doc_Ref=SEVD%202014-119-01
- http://git.openssl.org/gitweb/?p=openssl.git%3Ba=commit%3Bh=96db9023b881d7cd9f379b0c154650d6c108e9a3
- http://heartbleed.com/Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2014-April/131221.htmlAdvisory
- http://lists.fedoraproject.org/pipermail/package-announce/2014-April/131291.htmlAdvisory