HOMEVULNERABILITIESCVE-2017-11757
CRITICAL

CVE-2017-11757

CWE-191Published: July 31, 2017· Updated: Jun 17, 2026

9.8
CVSS v3.1

Official 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.

NVD Source

Technical Analysis

CVE-2017-11757 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

actian2 product(s)
pervasive psqlzen
Source: NVD CPE · 2 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

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

All References (6)

→
http://supportservices.actian.com/support-services/security-center#announcementsVendor Advisory
→
https://blogs.securiteam.com/index.php/archives/2924Exploit · Third Party Advisory
→
https://twitter.com/SecuriTeam_SSD/status/815567538318954496Third Party Advisory
→
http://supportservices.actian.com/support-services/security-center#announcementsVendor Advisory
→
https://blogs.securiteam.com/index.php/archives/2924Exploit · Third Party Advisory
→
https://twitter.com/SecuriTeam_SSD/status/815567538318954496Third Party Advisory

Quick Facts

CVE IDCVE-2017-11757
CVSS Score9.8 / 10
SeverityCRITICAL
WeaknessCWE-191
CISA KEVNo
Affected1 vendor(s)
PublishedJul 31, 2017

Related CVEs (CWE-191)

CVE-2007-0063
10.0
CVE-2026-37534
9.8
CVE-2005-0199
9.8
CVE-2018-9388
9.8
CVE-2025-52471
9.8
CVE-2015-0537
9.8

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2017-11757 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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