CVE-2015-3622
medium
CVSS v3
—
CVSS v4 NEW
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VIR risk
4.3
Description
The _asn1_extract_der_octet function in lib/decoding.c in GNU Libtasn1 before 4.5 allows remote attackers to cause a denial of service (out-of-bounds heap read) via a crafted certificate.
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
Fedora Affected 1 release
| Version | Status | Fixed in |
|---|---|---|
| 21 | Affected | — |
SUSE Affected 2 releases
| Version | Status | Fixed in |
|---|---|---|
| 13.2 | Affected | — |
| — | Affected | — |
Debian Fixed 5 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 4.4-3 |
| sid | Fixed | 4.4-3 |
| forky | Fixed | 4.4-3 |
| bullseye | Fixed | 4.4-3 |
| bookworm | Fixed | 4.4-3 |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| gnu | libtasn1 | {"endIncluding":"4.4"} | |
References
- https://www.suse.com/security/cve/CVE-2015-3622.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-May/158225.html
- http://lists.opensuse.org/opensuse-updates/2015-08/msg00014.html
- http://lists.opensuse.org/opensuse-updates/2016-06/msg00047.html
- http://lists.opensuse.org/opensuse-updates/2016-06/msg00097.html
- http://packetstormsecurity.com/files/131711/libtasn1-Heap-Overflow.html
- http://seclists.org/fulldisclosure/2015/Apr/109
- http://www.debian.org/security/2015/dsa-3256
- http://www.mandriva.com/security/advisories?name=MDVSA-2015:232
- http://www.securityfocus.com/bid/74419
- http://www.securitytracker.com/id/1032246
- http://www.ubuntu.com/usn/USN-2604-1
- https://access.redhat.com/errata/RHSA-2017:1860
- https://lists.gnu.org/archive/html/help-libtasn1/2015-04/msg00000.html
- https://security.gentoo.org/glsa/201509-04
- https://security-tracker.debian.org/tracker/CVE-2015-3622
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.