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MitreCVE-2017-17715

HistoryDec 16, 2017 - 7:29 p.m.

CVE-2017-17715

2017-12-1619:29:00

CWE-22

mitre

web.nvd.nist.gov

cve-2017-17715

mediacontroller.java

telegram messenger

android

directory traversal

file-transfer vulnerability

security advisory

CVSS2

6.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:P/I:P/A:P

CVSS3

8.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

AI Score

8.3

Confidence

High

EPSS

0.001

Percentile

50.9%

JSON

The saveFile method in MediaController.java in the Telegram Messenger application before 2017-12-08 for Android allows directory traversal via a pathname obtained in a file-transfer request from a remote peer, as demonstrated by writing to tgnet.dat or tgnet.dat.bak.

Affected configurations

Nvd

Node

telegramtelegram_messengerRange<2017-12-08android

VendorProductVersionCPE
telegramtelegram_messenger*cpe:2.3:a:telegram:telegram_messenger:*:*:*:*:*:android:*:*

Vendor	Product	Version	CPE
telegram	telegram_messenger	*	cpe:2.3:a:telegram:telegram_messenger::::::android::*

References

bugs.chromium.org/p/project-zero/issues/detail?id=1470

CVSS2

6.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:P/I:P/A:P

CVSS3

8.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

AI Score

8.3

Confidence

High

EPSS

0.001

Percentile

50.9%

JSON

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