Buffer overflow in Burrow-Wheeler Aligner Project

CVE-2019-11371

BWA (aka Burrow-Wheeler Aligner) 0.7.17 r1198 has a Buffer Overflow via a long prefix that is mishandled in bns_fasta2bntseq and bns_dump at btnseq.c.

Vulnerability class: Buffer Overflow

Published · last modified .

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.016 (75.5th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 75th percentile — 75.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2019-11371: held from 0.016 to 0.016.

EPSS over last 30 days · oldest: 0.016 · newest: 0.016 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2019-11371?
CVE-2019-11371 is a critical-severity vulnerability in Burrow-Wheeler Aligner Project, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2019-04-20.
How severe is CVE-2019-11371?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2019-11371 known to be exploited?
3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.