CVE-2017-11757

Severity: critical (CVSS 9.8 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.5% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2017-07-31 · updated 2026-06-17
Weakness: CWE-191

Description

Heap-based buffer overflow in Actian Pervasive PSQL v12.10 and Zen v13 allows remote attackers to execute arbitrary code via crafted traffic to TCP port 1583. The overflow occurs after Server-Client encryption-key exchange. The issue results from an integer underflow that leads to a zero-byte allocation. The _srvLnaConnectMP1 function is affected.

Affected products

Actian Pervasive Psql: 12.10
Actian Zen: 13.0

References

http://supportservices.actian.com/support-services/security-center#announcements
https://blogs.securiteam.com/index.php/archives/2924
https://twitter.com/SecuriTeam_SSD/status/815567538318954496
http://supportservices.actian.com/support-services/security-center#announcements
https://blogs.securiteam.com/index.php/archives/2924
https://twitter.com/SecuriTeam_SSD/status/815567538318954496

Get alerted when CVE-2017-11757 or the next vulnerability affects your stack