Stack-based buffer overflow in Burrow-Wheeler Aligner - CVE-2019-10269

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Main Vulnerability Database Vulnerabilities #VU19976

Stack-based buffer overflow in Burrow-Wheeler Aligner - CVE-2019-10269

Published: August 7, 2019


Vulnerability identifier: #VU19976
CSH Severity: Medium
CVSS v4: 7.1 [CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2019-10269
CWE-ID: CWE-121
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in the bns_restore function in bntseq.c via a long sequence name in a .alt file. A remote unauthenticated attacker can trigger stack-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Affected software

Burrow-Wheeler Aligner
Opensuse
Ubuntu
openEuler
bwa (Ubuntu package)
bwa
bwa-debuginfo
bwa-debugsource

How to mitigate CVE-2019-10269

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

bwa (Ubuntu package) - addressed in versions 0.7.12-5ubuntu0.1~esm1, 0.7.17-1ubuntu0.1, 0.7.17-3~ubuntu0.19.04.1
bwa - update to 0.7.17-2
bwa-debuginfo - update to 0.7.17-2
bwa-debugsource - update to 0.7.17-2

External References

Related Security Bulletins