CVE-2017-11757

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

published July 31, 2017

CVSS
โ€”
EPSS
2%
Percentile
84.5
In the wild
Unconfirmed
What it is

โš ๏ธ A crafty heap-based buffer overflow awaits in Actian Pervasive PSQL v12.10 and Zen v13! Just a single crafted packet to TCP port 1583 could lead an attacker to execute arbitrary code. ๐Ÿ”ฅ Think of this as a miscalculated delivery that results in a truck overflowing with packages โ€” all it takes is one wrong form to set off a chain reaction, and your system is flooded with unexpected commands. An attacker could send specially crafted traffic to the vulnerable server, potentially leading to full remote code execution. This means they could manipulate your system to run any code of their choosing, resulting in severe data breaches or service disruptions.

Put simply

Think of this as a miscalculated delivery that results in a truck overflowing with packages โ€” all it takes is one wrong form to set off a chain reaction, and your system is flooded with unexpected commands. This vulnerability arises from an integer underflow during the Server-Client encryption-key exchange, leading to a zero-byte allocation and subsequent heap-based buffer overflow in the _srvLnaConnectMP1 function.

What to do

An attacker could send specially crafted traffic to the vulnerable server, potentially leading to full remote code execution. This means they could manipulate your system to run any code of their choosing, resulting in severe data breaches or service disruptions. Immediately patch your systems to the latest version of Actian Pervasive PSQL or Zen. Ensure thorough monitoring of TCP port 1583 for any suspicious traffic until the patch can be applied. Always review your network configurations to enhance security. ๐Ÿ›ก๏ธ You've got this! By taking these steps, you'll enhance your defenses and keep your systems safe. ๐Ÿš€

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.02494 ยท 84.5th percentile
Published
2017-07-31T14:00Z
EPSS history
Timeline
  • 31 JUL 14:00Z
    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
    cvelistv5