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CVE-2023-5968

CVE-2023-5968: Mattermost password hash disclosure vulnerability

4.9

CVSS Score
3.1

Basic Information

CVE ID
CVE-2023-5968
GHSA ID
GHSA-r67m-mf7v-qp7j
EPSS Score
0.35389%
CWE
CWE-116
Published
11/6/2023
Updated
11/27/2023
KEV Status
No
Technology
TechnologyGo

Technical Details

CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
Package NameEcosystemVulnerable VersionsFirst Patched Version
github.com/mattermost/mattermost-server/v6go< 7.8.127.8.12
github.com/mattermost/mattermost/server/v8go>= 8.0.0, < 8.0.48.0.4
github.com/mattermost/mattermost/server/v8go>= 8.1.0, < 8.1.38.1.3
github.com/mattermost/mattermost/server/v8go= 9.0.09.0.1

Vulnerability Intelligence
Miggo AIMiggo AI

Miggo AIRoot Cause Analysis

The commit diff shows the vulnerability was fixed by adding newUser.Sanitize() in UpdateUser (user.go), indicating this function previously returned unsanitized user data. The accompanying test updates in user_test.go verify password field emptiness, confirming the exposure vector. PatchUser's test modifications further validate the fix's scope. CWE-200 aligns with the unsanitized sensitive data exposure in the response.

Vulnerable functions

Only Mi**o us*rs **n s** t*is s**tion

WAF Protection Rules

WAF Rule

M*tt*rmost **ils to prop*rly s*nitiz* t** us*r o*j**t w**n up**tin* t** us*rn*m*, r*sultin* in t** p*sswor* **s* **in* in*lu*** in t** r*spons* *o*y. 

Reasoning

T** *ommit *i** s*ows t** vuln*r**ility w*s *ix** *y ***in* `n*wUs*r.S*nitiz*()` in Up**t*Us*r (us*r.*o), in*i**tin* t*is *un*tion pr*viously r*turn** uns*nitiz** us*r **t*. T** ***omp*nyin* t*st up**t*s in us*r_t*st.*o v*ri*y p*sswor* *i*l* *mptin*s