CVE-2015-1794
medium
CVSS v3
—
CVSS v4 NEW
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VIR risk
5.0
Description
The ssl3_get_key_exchange function in ssl/s3_clnt.c in OpenSSL 1.0.2 before 1.0.2e allows remote servers to cause a denial of service (segmentation fault) via a zero p value in an anonymous Diffie-Hellman (DH) ServerKeyExchange message.
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| sles | affected | | |
| debian | bookworm | fixed | 1.0.2e-1 |
| debian | bullseye | fixed | 1.0.2e-1 |
| debian | forky | fixed | 1.0.2e-1 |
| debian | sid | fixed | 1.0.2e-1 |
| debian | trixie | fixed | 1.0.2e-1 |
References
- https://www.suse.com/security/cve/CVE-2015-1794.html
- http://fortiguard.com/advisory/openssl-advisory-december-2015
- http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10759
- http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10761
- http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00009.html
- http://openssl.org/news/secadv/20151203.txt
- http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20151204-openssl
- http://www.oracle.com/technetwork/security-advisory/cpuapr2016v3-2985753.html
- http://www.securitytracker.com/id/1034294
- http://www.slackware.com/security/viewer.php?l=slackware-security&y=2015&m=slackware-security.754583
- http://www.ubuntu.com/usn/USN-2830-1
- https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf
- https://git.openssl.org/?p=openssl.git%3Ba=commit%3Bh=ada57746b6b80beae73111fe1291bf8dd89af91c
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05398322
- https://security-tracker.debian.org/tracker/CVE-2015-1794
CWEs
CWE-189
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.