Vulnerability · Published Aug 19, 2020 · Assigned by zdi

CVE-2020-15637

Low 3.3

In plain English

A low-severity use-after-free in PhantomPDF from Foxit. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 4.1% (higher than 91% of all known vulnerabilities).

Severity (CVSS 3.0)3.3Low

Exploit odds (30 days)4.1%top 9.3% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official description

This vulnerability allows remote attackers to disclose sensitive information on affected installations of Foxit PhantomPDF 9.7.1.29511. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the SetLocalDescription method. By performing actions in JavaScript, an attacker can cause a pointer to be reused after it has been freed. An attacker can leverage this in conjunction with other vulnerabilities to execute code in the context of the current process. Was ZDI-CAN-10972.

Affected products (as reported)

Vendor	Product	Versions
Foxit	PhantomPDF	9.7.1.29511

Weakness: CWE-416 · Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

References

https://www.foxitsoftware.com/support/security-bulletins.html x_refsource_MISC
https://www.zerodayinitiative.com/advisories/ZDI-20-932/ x_refsource_MISC