Race condition in the Charles Proxy Settings suid binary in Charles Proxy before 4.2.1 allows local users to gain privileges via vectors in…

published 2018-08-03 8 y ago modified 2026-06-17 4 mo ago also EUVD-2017-6814

cvss: 7.0; version 3.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 0.8%; EPSS 0.8% chance of exploitation in 30 days, percentile 55%
public exploits: 1; Exploit-DB

Race condition in the Charles Proxy Settings suid binary in Charles Proxy before 4.2.1 allows local users to gain privileges via vectors involving the --self-repair option.

Patch / fix

fixed in 1

charlesproxy charles 4.2.1

Timeline

2018-07-30 First public exploit (EDB-45107)
2018-08-03 Published

Exploit prediction

0.76% chance of exploitation in the next 30 days, higher than 55% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

EDB-45107 Charles Proxy 4.2 - Local Privilege Escalation local, 2018-07-30
m4.rkw.io https://m4.rkw.io/blog/cve201715358-local-root-privesc-in-charles-proxy-42.html referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
NVD	3.0	7.0	CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD	2.0	6.9	AV:L/AC:M/Au:N/C:C/I:C/A:C

Classification

Weakness

CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization

References

exploit-db.com /exploits/45107/
exploit, third-party-advisory, vdb-entry
m4.rkw.io /blog/cve201715358-local-root-privesc-in-charles-proxy-42.html
exploit, third-party-advisory

Sources

CVE List CVE-2017-15358
NVD CVE-2017-15358

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary