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CVE-2019-10734

In KDE Trojita 0.7, an attacker in possession of S/MIME or PGP encrypted emails can wrap them as...

4.3 MediumFix available

In KDE Trojita 0.7, an attacker in possession of S/MIME or PGP encrypted emails can wrap them as sub-parts within a crafted multipart email. The encrypted part(s) can further be hidden using HTML/CSS or ASCII newline characters. This modified multipart email can be re-sent by the attacker to the intended receiver. If the receiver replies to this (benign looking) email, they unknowingly leak the plaintext of the encrypted message part(s) back to the attacker.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
Required

What an attacker can affect

Confidentiality
None
Integrity
Low
Availability
None

Exploit likelihood

0.69%Up 0.3 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 4.3

In KDE Trojita 0.7, an attacker in possession of S/MIME or PGP encrypted emails can wrap them as sub-parts within a crafted multipart email. The encrypted part(s) can further be hidden using HTML/CSS or ASCII newline characters. This modified multipart email can be re-sent by the attacker to the intended receiver. If the receiver replies to this (benign looking) email, they unknowingly leak the plaintext of the encrypted message part(s) back to the attacker.

Record
CVE-2019-10734
CVSS 3.0
4.3 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
CVSS 2.0
4.3 MediumAV:N/AC:M/Au:N/C:N/I:P/A:N
Weakness
CWE-319
Updated
2026-11-02
CVE List No score

In KDE Trojita 0.7, an attacker in possession of S/MIME or PGP encrypted emails can wrap them as sub-parts within a crafted multipart email. The encrypted part(s) can further be hidden using HTML/CSS or ASCII newline characters. This modified multipart email can be re-sent by the attacker to the intended receiver. If the receiver replies to this (benign looking) email, they unknowingly leak the plaintext of the encrypted message part(s) back to the attacker.

Record
CVE-2019-10734
Updated
2026-11-02
EUVDEUVD-2019-2528 No score

In KDE Trojita 0.7, an attacker in possession of S/MIME or PGP encrypted emails can wrap them as sub-parts within a crafted multipart email. The encrypted part(s) can further be hidden using HTML/CSS or ASCII newline characters. This modified multipart email can be re-sent by the attacker to the intended receiver. If the receiver replies to this (benign looking) email, they unknowingly leak the plaintext of the encrypted message part(s) back to the attacker.

Record
EUVD-2019-2528
Updated
2026-11-03
GitHub AdvisoriesGHSA-mr9x-prgm-96hw 4.3

In KDE Trojita 0.7, an attacker in possession of S/MIME or PGP encrypted emails can wrap them as...

In KDE Trojita 0.7, an attacker in possession of S/MIME or PGP encrypted emails can wrap them as sub-parts within a crafted multipart email. The encrypted part(s) can further be hidden using HTML/CSS or ASCII newline characters. This modified multipart email can be re-sent by the attacker to the intended receiver. If the receiver replies to this (benign looking) email, they unknowingly leak the plaintext of the encrypted message part(s) back to the attacker.

Record
GHSA-mr9x-prgm-96hw
CVSS 3.0
4.3 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Weakness
CWE-319
Updated
2026-11-02
OSV 4.3

In KDE Trojita 0.7, an attacker in possession of S/MIME or PGP encrypted emails can wrap them as sub-parts within a crafted multipart email. The encrypted part(s) can further be hidden using HTML/CSS or ASCII newline characters. This modified multipart email can be re-sent by the attacker to the intended receiver. If the receiver replies to this (benign looking) email, they unknowingly leak the plaintext of the encrypted message part(s) back to the attacker.

Record
CVE-2019-10734
CVSS 3.0
4.3 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Updated
2026-11-02
OSVUBUNTU-CVE-2019-10734 4.3

In KDE Trojita 0.7, an attacker in possession of S/MIME or PGP encrypted emails can wrap them as sub-parts within a crafted multipart email. The encrypted part(s) can further be hidden using HTML/CSS or ASCII newline characters. This modified multipart email can be re-sent by the attacker to the intended receiver. If the receiver replies to this (benign looking) email, they unknowingly leak the plaintext of the encrypted message part(s) back to the attacker.

Record
UBUNTU-CVE-2019-10734
CVSS 3.0
4.3 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Updated
2026-11-02
OSVMGASA-2022-0214 No score

Updated trojita packages fix security vulnerability

An attacker in possession of S/MIME or PGP encrypted emails can wrap them as sub-parts within a crafted multipart email. The encrypted part(s) can further be hidden using HTML/CSS or ASCII newline characters. This modified multipart email can be re-sent by the attacker to the intended receiver. If the receiver replies to this (benign looking) email, they unknowingly leak the plaintext of the encrypted message part(s) back to the attacker. (CVE-2019-10734)

Record
MGASA-2022-0214
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
trojita
Mageia:8
before 0.7-8.git20200625.2.1.mga8
0.7-8.git20200625.2.1.mga8
trojita
Ubuntu:20.04:LTS
All versions, plus listed versions
0.7-0ubuntu20.7-0ubuntu4
None known
trojita
Ubuntu:22.04:LTS
All versions, plus listed versions
0.7-0ubuntu5
None known

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2019-10734 is a medium vulnerability (CVSS 4.3) in Trojita Project Trojita, published April 7, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.69%, the 53rd percentile. Fixed in trojita 0.7-8.git20200625.2.1.mga8.

References

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