Denial of Service Risk in Pango Library Affecting HexChat and Other Products
CVE-2018-15120

6.5MEDIUM

Key Information:

Vendor

Gnome
Status
Pango
Vendor
CVE Published:
24 August 2018

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2018-15120?

The Pango library, utilized in various applications including HexChat, is susceptible to a denial of service condition. Through specially crafted Unicode text, remote attackers can trigger application crashes or potentially introduce unspecified impacts. This vulnerability spans Pango versions 1.40.8 to 1.42.3, underscoring the importance of updating to secure versions to mitigate risk.

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Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2018-15120 - Proof of Concept

CVE-2018-15120 - Proof of Concept

References

https://www.exploit-db.com/exploits/45263/
exploitx_refsource_EXPLOIT-DB
https://github.com/GNOME/pango/blob/1.42.4/NEWS
x_refsource_CONFIRM
https://usn.ubuntu.com/3750-1/
vendor-advisoryx_refsource_UBUNTU

EPSS Score

6% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

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