www.synopsys.com Open in urlscan Pro
2a02:26f0:1700:1ab::afd  Public Scan

URL: https://www.synopsys.com/blogs/software-security/cyrc-advisory-prompt-injection-emailgpt.html
Submission: On June 07 via api from TR — Scanned from DE

Form analysis 2 forms found in the DOM

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CYRC VULNERABILITY ADVISORY: CVE-2024-5184S PROMPT INJECTION IN EMAILGPT SERVICE

Synopsys Editorial Team

Jun 05, 2024 / 1 min read

Table of Contents
 * Exploitation
 * Impact
 * Remediation
 * Discovery credit
 * About CVSS


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Select...AfghanistanAland
IslandsAlbaniaAlgeriaAndorraAngolaAnguillaAntarcticaAntigua and
BarbudaArgentinaArmeniaArubaAustraliaAustriaAzerbaijanBahamasBahrainBangladeshBarbadosBelarusBelgiumBelizeBeninBermudaBhutanBolivia,
Plurinational State ofBonaire, Sint Eustatius and SabaBosnia and
HerzegovinaBotswanaBouvet IslandBrazilBritish Indian Ocean TerritoryBrunei
DarussalamBulgariaBurkina FasoBurundiCambodiaCameroonCanadaCape VerdeCayman
IslandsCentral African RepublicChadChileChinaChristmas IslandCocos (Keeling)
IslandsColombiaComorosCongoCongo, the Democratic Republic of theCook
IslandsCosta RicaCote d'IvoireCroatiaCubaCuraçaoCyprusCzech
RepublicDenmarkDjiboutiDominicaDominican RepublicEcuadorEgyptEl
SalvadorEquatorial GuineaEritreaEstoniaEthiopiaFalkland Islands (Malvinas)Faroe
IslandsFijiFinlandFranceFrench GuianaFrench PolynesiaFrench Southern
TerritoriesGabonGambiaGeorgiaGermanyGhanaGibraltarGreeceGreenlandGrenadaGuadeloupeGuatemalaGuernseyGuineaGuinea-BissauGuyanaHaitiHeard
Island and McDonald IslandsHoly See (Vatican City State)HondurasHong
KongHungaryIcelandIndiaIndonesiaIran, Islamic Republic ofIraqIrelandIsle of
ManIsraelItalyJamaicaJapanJerseyJordanKazakhstanKenyaKiribatiKorea, Democratic
People's Republic ofKorea, Republic ofKuwaitKyrgyzstanLao People's Democratic
RepublicLatviaLebanonLesothoLiberiaLibyaLiechtensteinLithuaniaLuxembourgMacaoMacedonia,
the former Yugoslav Republic ofMadagascarMalawiMalaysiaMaldivesMaliMaltaMarshall
IslandsMartiniqueMauritaniaMauritiusMayotteMexicoMoldova, Republic
ofMonacoMongoliaMontenegroMontserratMoroccoMozambiqueMyanmarNamibiaNauruNepalNetherland
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OVERVIEW

The Synopsys Cybersecurity Research Center (CyRC) has exposed prompt injection
vulnerabilities in the EmailGPT service. EmailGPT is an API service and Google
Chrome extension that assists users in writing emails inside Gmail using
OpenAI's GPT models.

The service uses an API service that allows a malicious user to inject a direct
prompt and take over the service logic. Attackers can exploit the issue by
forcing the AI service to leak the standard hard-coded system
prompts and/or execute unwanted prompts.

--------------------------------------------------------------------------------




EXPLOITATION

When engaging with EmailGPT by submitting a malicious prompt that requests
harmful information, the system will respond by providing the requested data.
This vulnerability can be exploited by any individual with access to the
service.


AFFECTED SOFTWARE

 * EmailGPT  "main" branch




IMPACT

Exploitation of this vulnerability would lead to intellectual property leakage,
denial-of-service, and direct financial loss through an attacker making repeated
requests to the AI provider’s API which are pay-per-use.

 * CVSS Base Score: 6.5 (Medium)
 * CVSS 3.1 Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N




REMEDIATION

The CyRC reached out to the developers but has not received a response within
the 90-day timeline dictated by our responsible disclosure policy. The CyRC
recommends removing the applications from networks immediately.




DISCOVERY CREDIT

This vulnerability was discovered by Mohammed Alshehri, a security researcher at
Synopsys.


TIMELINE

 * February 26, 2024: Initial contact attempt
 * April 4, 2024: Second contact attempt
 * May 1, 2024: Final contact attempt
 * June 5, 2024: Advisory published by Synopsys


REFERENCES

https://github.com/Coeeter/emailgpt




ABOUT CVSS

FIRST.Org, Inc (FIRST) is a non-profit organization based out of US that owns
and manages CVSS. It is not required to be a member of FIRST to utilize or
implement CVSS but FIRST does require any individual or organization give
appropriate attribution while using CVSS. FIRST also states that any individual
or organization that publishes scores follow the guideline so that anyone can
understand how the score was calculated.

 * CyRC
 * Security News & Trends
 * Software Integrity


CONTINUE READING


Blog
1 min read / Jun 05, 2024

CYRC VULNERABILITY ADVISORY: CVE-2024-5184S PROMPT INJECTION IN EMAILGPT SERVICE

By Synopsys Editorial Team
Tags: Software Integrity, Security News & Trends, CyRC
Read Article
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1 min read / May 28, 2024

CYRC VULNERABILITY ADVISORY: CVE-2024-5185 DATA POISONING VULNERABILITY IN
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By Synopsys Editorial Team
Tags: Software Integrity, Security News & Trends, CyRC
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CLEARLAKE CAPITAL GROUP AND FRANCISCO PARTNERS REACH AGREEMENT TO PURCHASE THE
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By Jason Schmitt
Tags: Software Integrity, Security News & Trends
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