CVE-2011-4354
crypto/bn/bn_nist.c in OpenSSL before 0.9.8h on 32-bit platforms, as used in stunnel and other products, in certain circumstances involving ECDH or ECDHE cipher suites, uses an incorrect modular
02 Description
crypto/bn/bn_nist.c in OpenSSL before 0.9.8h on 32-bit platforms, as used in stunnel and other products, in certain circumstances involving ECDH or ECDHE cipher suites, uses an incorrect modular
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 2.99% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 86.7% of scored records. A rank, not a probability.
- NVD base score
- The NVD has published no score for this record
- NVD CVSS vector
- No NVD score to derive
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-16.
- Red Hat severity
- Moderate. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2012-01-27 00:00Z14 YR AGO
- Last updated
- 2024-08-07 00:01Z2 YR AGO
- Reserved
- 2011-11-04
- Assigning CNA
- redhat
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- Data version
- 5.1
- Document digest
- 285efa5444d2ebce54317dbe1047e5d0a7c3a256ec5f9856e3bfadffc80406b1
05 Affected products
06 References
- crypto.di.uminho.pthttp://crypto.di.uminho.pt/CACE/CT-RSA2012-openssl-src.zip
- bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=757909
- openwall.com[oss-security] 20111201 CVE-2011-4354 OpenSSL 0.9.8g (32-bit builds) bug leaks ECC private keyshttp://openwall.com/lists/oss-security/2011/12/01/6
- eprint.iacr.orghttp://eprint.iacr.org/2011/633
- rt.openssl.orghttp://rt.openssl.org/Ticket/Display.html?id=1593&user=guest&pass=guest
- cvs.openssl.orghttp://cvs.openssl.org/filediff?f=openssl/crypto/bn/bn_nist.c&v1=1.14&v2=1.21
- www.debian.orgDSA-2390http://www.debian.org/security/2012/dsa-2390
- marc.infohttp://marc.info/?t=119271238800004
07 Fixed in
Debian 12
- openssl Fixed in 0.9.8o-4squeeze3
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- openssl Fixed in 0.9.8o-4squeeze3
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- openssl Fixed in 0.9.8o-4squeeze3
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.