CVE-2017-7804

N/A

Published: June 11, 2018 at 09:00 PM UTC

Updated: June 17, 2026 at 01:25 AM UTC

3 products affected across 1 vendorFirefoxThunderbirdFirefox ESR· also runs on 1 platform

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Severity

N/A

Exploit prediction

EPSS 1%

Description

The destructor function for the "WindowsDllDetourPatcher" class can be re-purposed by malicious code in concert with another vulnerability to write arbitrary data to an attacker controlled location in memory. This can be used to bypass existing memory protections in this situation. Note: This attack only affects Windows operating systems. Other operating systems are not affected. This vulnerability affects Thunderbird < 52.3, Firefox ESR < 52.3, and Firefox < 55.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Firefox · Mozilla

95%

v < 52.3.0v < 55v < 55.0

Affected range stops below 55, so it looks safe — our inference, not a vendor statement

Affected range stops below 55.0, so it looks safe — our inference, not a vendor statement

microsoft-windows (environment)

Thunderbird · Mozilla

95%

v < 52.3v < 52.3.0

Affected range stops below 52.3, so it looks safe — our inference, not a vendor statement

Affected range stops below 52.3.0, so it looks safe — our inference, not a vendor statement

microsoft-windows (environment)

Firefox ESR · Mozilla

60%

v < 52.3

Affected range stops below 52.3, so it looks safe — our inference, not a vendor statement

Affected range stops below 52.3.0, so it looks safe — our inference, not a vendor statement

Runs on — not affected

The affected product only carries this flaw when running on these platforms. The platforms themselves are not vulnerable.

Windows · Microsoft

95%

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (6)

VDB Entryx_refsource_BIDThird Party Advisory

Source: [email protected]

http://www.securityfocus.com/bid/100234

VDB Entryx_refsource_SECTRACKThird Party Advisory

Source: [email protected]

http://www.securitytracker.com/id/1039124

x_refsource_CONFIRMIssue TrackingThird Party Advisory

Source: [email protected]

https://bugzilla.mozilla.org/show_bug.cgi?id=1372849

x_refsource_CONFIRMVendor Advisory

Source: [email protected]

https://www.mozilla.org/security/advisories/mfsa2017-18/

x_refsource_CONFIRMVendor Advisory

Source: [email protected]

https://www.mozilla.org/security/advisories/mfsa2017-19/

x_refsource_CONFIRMVendor Advisory

Source: [email protected]

https://www.mozilla.org/security/advisories/mfsa2017-20/

CVSS

5MEDIUM[email protected]

Confidentiality: NONE
Integrity: PARTIAL
Availability: NONE

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-20

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