Stack-based buffer overflow in libspiro - CVE-2019-19847
Published: July 29, 2020
Vulnerability identifier: #VU32892
CSH Severity: High
CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2019-19847
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 spiro_to_bpath0() function in spiro.c. 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
libspiro
libspiro (Alpine package)
libspiro (Alpine package)
How to mitigate CVE-2019-19847
Install update from vendor's website.
libspiro - update to 20200505
libspiro (Alpine package) - update to 20200505-r0
libspiro (Alpine package) - update to 20200505-r0