CVE-2016-2107

medium

Published 2016-05-05 · Modified 2026-05-06

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CVSS v3

5.9

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

CVSS v4 NEW

—

not yet in upstream

VIR risk

6.9

Description

The AES-NI implementation in OpenSSL before 1.0.1t and 1.0.2 before 1.0.2h does not consider memory allocation during a certain padding check, which allows remote attackers to obtain sensitive cleartext information via a padding-oracle attack against an AES CBC session. NOTE: this vulnerability exists because of an incorrect fix for CVE-2013-0169.

Predictions

Exploit likelihood

69%

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 with source_tier=community-verified.

Exploits

Public proof-of-concept code below. AS-IS, for defenders and authorised testing only.

Exploit-DB

EDB-39768 dos multiple verified

Juraj Somorovsky · 2016-05-04

OpenSSL - Padding Oracle in AES-NI CBC MAC Check

Source code queued for fetch — refresh in a moment.

OS impact

OS	Version	Status	Fixed in
sles		affected
rhel	7.0	affected
rhel	6.0	affected
suse	42.1	affected
suse	13.2	affected
debian	8.0	affected
ubuntu	12.04	affected
ubuntu	14.04	affected
ubuntu	15.10	affected
ubuntu	16.04	affected
debian	bookworm	fixed	`1.0.2h-1`
debian	bullseye	fixed	`1.0.2h-1`
debian	forky	fixed	`1.0.2h-1`
debian	sid	fixed	`1.0.2h-1`
debian	trixie	fixed	`1.0.2h-1`

Application impact

Vendor	Product	Versions	Fixed
openssl	openssl	`{"endIncluding":"1.0.1s"}`
openssl	openssl	`1.0.2`
openssl	openssl	`1.0.2a`
openssl	openssl	`1.0.2b`
openssl	openssl	`1.0.2c`
openssl	openssl	`1.0.2d`
openssl	openssl	`1.0.2e`
openssl	openssl	`1.0.2f`
openssl	openssl	`1.0.2g`
hp	helion_openstack	`2.0.0`
hp	helion_openstack	`2.1.0`
hp	helion_openstack	`2.1.2`
hp	helion_openstack	`2.1.4`
nodejs	node.js	`{"startIncluding":"0.10.0","endExcluding":"0.10.45"}`	`0.10.45`
nodejs	node.js	`6.0.0`

References

CWEs

CWE-200 CWE-310

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.