CVE-2015-3281
medium
CVSS v3
—
CVSS v4 NEW
—
VIR risk
5.0
Description
The buffer_slow_realign function in HAProxy 1.5.x before 1.5.14 and 1.6-dev does not properly realign a buffer that is used for pending outgoing data, which allows remote attackers to obtain sensitive information (uninitialized memory contents of previous requests) via a crafted request.
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 |
|---|---|---|---|
| debian | bookworm | fixed | 1.5.14-1 |
| debian | bullseye | fixed | 1.5.14-1 |
| debian | forky | fixed | 1.5.14-1 |
| debian | sid | fixed | 1.5.14-1 |
| debian | trixie | fixed | 1.5.14-1 |
| ubuntu | 14.10 | affected | |
| ubuntu | 15.04 | affected | |
| debian | 8.0 | affected | |
| rhel | 7.0 | affected | |
| suse | 13.2 | affected | |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| haproxy | haproxy | 1.5 | |
| haproxy | haproxy | 1.5.0 | |
| haproxy | haproxy | 1.5.1 | |
| haproxy | haproxy | 1.5.2 | |
| haproxy | haproxy | 1.5.3 | |
| haproxy | haproxy | 1.5.4 | |
| haproxy | haproxy | 1.5.5 | |
| haproxy | haproxy | 1.5.6 | |
| haproxy | haproxy | 1.5.7 | |
| haproxy | haproxy | 1.5.8 | |
| haproxy | haproxy | 1.5.9 | |
| haproxy | haproxy | 1.5.10 | |
| haproxy | haproxy | 1.5.11 | |
| haproxy | haproxy | 1.5.12 | |
| haproxy | haproxy | 1.5.13 | |
| haproxy | haproxy | 1.6 | |
References
- http://git.haproxy.org/?p=haproxy-1.5.git%3Ba=commit%3Bh=7ec765568883b2d4e5a2796adbeb492a22ec9bd4
- http://lists.opensuse.org/opensuse-security-announce/2015-10/msg00001.html
- http://lists.opensuse.org/opensuse-security-announce/2015-10/msg00023.html
- http://rhn.redhat.com/errata/RHSA-2015-1741.html
- http://rhn.redhat.com/errata/RHSA-2015-2666.html
- http://www.debian.org/security/2015/dsa-3301
- http://www.haproxy.org/news.html
- http://www.securityfocus.com/bid/75554
- http://www.ubuntu.com/usn/USN-2668-1
- https://security-tracker.debian.org/tracker/CVE-2015-3281
CWEs
CWE-119
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.