CVE-2017-5983

The JIRA Workflow Designer Plugin in Atlassian JIRA Server before 6.3.0 improperly uses an XML parser and deserializer, which allows remote attackers to…

published April 10, 2017

CVSS
—
EPSS
16%
Percentile
96.9
In the wild
Unconfirmed
What it is

⚠️ A sneaky XML parser flaw in the JIRA Workflow Designer Plugin could let attackers run arbitrary code! 🚨 Think of it as a restaurant that accepts any recipe card without verifying the ingredients. An attacker could send over a card that instructs the chef to prepare a dish that spills secrets instead of serving dinner! An attacker could gain complete control over the server, reading sensitive files or even executing malicious commands. This exploit could lead to a full-blown data breach or, at the very least, a frustrating denial of service for users.

Put simply

Think of it as a restaurant that accepts any recipe card without verifying the ingredients. An attacker could send over a card that instructs the chef to prepare a dish that spills secrets instead of serving dinner! This vulnerability arises from the improper handling of serialized Java objects by the XML parser, allowing attackers to exploit it and execute arbitrary code remotely.

What to do

An attacker could gain complete control over the server, reading sensitive files or even executing malicious commands. This exploit could lead to a full-blown data breach or, at the very least, a frustrating denial of service for users. Upgrade the JIRA Server to version 6.3.0 or later to close this exploit. Additionally, review your existing configurations and consider restricting XML input to trusted sources only. You've got this! Implement these fixes and keep your JIRA environment secure. 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.16244 · 96.9th percentile
Published
2017-04-10T15:00Z
EPSS history
Timeline
  • 10 APR 15:00Z
    The JIRA Workflow Designer Plugin in Atlassian JIRA Server before 6.3.0 improperly uses an XML parser and deserializer, which allows remote attackers to…
    cvelistv5