CVE-2019-25048
What it is
LibreSSL 2.9.1 through 3.2.1 has a heap-based buffer over-read in do_print_ex (called from asn1_item_print_ctx and ASN1_item_print).
At a glance
- Exploitability
- Can be exploited locally on the machine without logging in, but needs a user to act. High risk of data exposure, service disruption.
- Exploit odds
- 0.9% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 0.9% in the next 30 days (EPSS).
- Severity: 7.1 HIGH (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 0.9% · EPSS, next 30 days
- Weakness
- CWE-125 · Out-of-bounds read
- Record status
- Modified
Affected
- Openbsd Libressl ≤ 3.2.1
Attack profile CVSS 3.1 · 7.1
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- None
- Availability
- High
Raw vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2019-25048.md and follow it. Check whether this project is affected by CVE-2019-25048. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=13914
- https://github.com/libressl-portable/portable/commit/17c88164016df821df2dff4b2b1291291ec4f28a
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=13914
- https://github.com/libressl-portable/portable/commit/17c88164016df821df2dff4b2b1291291ec4f28a
References
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=13914
- https://github.com/google/oss-fuzz-vulns/blob/main/vulns/libressl/OSV-2020-1923.yaml
- https://github.com/libressl-portable/portable/commit/17c88164016df821df2dff4b2b1291291ec4f28a
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=13914
- https://github.com/google/oss-fuzz-vulns/blob/main/vulns/libressl/OSV-2020-1923.yaml
- https://github.com/libressl-portable/portable/commit/17c88164016df821df2dff4b2b1291291ec4f28a