Vulnerability Monitor

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CVE-2018-5702

Transmission through 2.92 relies on X-Transmission-Session-Id (which is not a forbidden header for Fetch) for access control, which allows remote attackers to execute arbitrary RPC commands, and consequently write to arbitrary files, via POST requests to /transmission/rpc in conjunction with a DNS rebinding attack.

Security Impact Summary

This vulnerability carries a HIGH severity rating with a CVSS v3.1 score of 8.8, indicating it can be exploited remotely over the network with relatively low complexity though user interaction is required and does not require pre-existing privileges . The vulnerability impacts confidentiality (data exposure), integrity (unauthorized modifications), and availability (service disruption) for affected systems. Impacting 2 products from transmissionbt, from debian organizations running these solutions should prioritize assessment and patching.

Historical Context

First disclosed in 2018, this vulnerability was reported during a period defined by widespread IoT adoption challenges, mobile security concerns, and the emergence of advanced persistent threat (APT) techniques. Contemporary mitigation strategies focused on secure development practices and third-party component vetting.

Published

2018-01-15T16:29:00.237

Last Modified

2024-11-21T04:09:12.163

Status

Modified

Source

[email protected]

Severity

CVSSv3.0: 8.8 (HIGH)

CVSSv2 Vector

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

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

8.6

Impact Score

6.4

Weaknesses

Type: Primary
NVD-CWE-noinfo

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	transmissionbt	transmission	≤ 2.92	Yes
Operating System	debian	debian_linux	7.0	Yes
Operating System	debian	debian_linux	8.0	Yes
Operating System	debian	debian_linux	9.0	Yes

References

https://bugs.chromium.org/p/project-zero/issues/detail?id=1447 Exploit, Issue Tracking, Technical Description, Third Party Advisory ([email protected])
https://github.com/transmission/transmission/pull/468 Exploit, Technical Description, Third Party Advisory ([email protected])
https://lists.debian.org/debian-lts-announce/2018/01/msg00020.html Mailing List, Third Party Advisory ([email protected])
https://security.gentoo.org/glsa/201806-07 Third Party Advisory ([email protected])
https://twitter.com/taviso/status/951526615145566208 Third Party Advisory ([email protected])
https://www.debian.org/security/2018/dsa-4087 Third Party Advisory ([email protected])
https://www.exploit-db.com/exploits/43665/ Exploit, Third Party Advisory, VDB Entry ([email protected])
https://bugs.chromium.org/p/project-zero/issues/detail?id=1447 Exploit, Issue Tracking, Technical Description, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/transmission/transmission/pull/468 Exploit, Technical Description, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.debian.org/debian-lts-announce/2018/01/msg00020.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://security.gentoo.org/glsa/201806-07 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://twitter.com/taviso/status/951526615145566208 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.debian.org/security/2018/dsa-4087 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.exploit-db.com/exploits/43665/ Exploit, Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For transmissionbt's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.