Bug 2373305 (CVE-2025-4673)

Summary: CVE-2025-4673 net/http: Sensitive headers not cleared on cross-origin redirect in net/http
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security <prodsec-ir-bot>
Status: NEW --- QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: aazores, abrianik, akostadi, alcohan, amasferr, amctagga, anjoseph, ansmith, anthomas, aoconnor, bbrownin, bdettelb, bniver, cbartlet, cmah, crizzo, davidn, dhanak, dmayorov, doconnor, drosa, dsimansk, dymurray, eaguilar, ebaron, eglynn, ehelms, fdeutsch, flucifre, ggainey, ggrzybek, gmeno, gparvin, gryan, gzaronik, haoli, hkataria, ibolton, jaharrin, jajackso, jburrell, jcammara, jcantril, jeder, jjoyce, jkoehler, jlledo, jmatthew, jmitchel, jmontleo, jneedle, jolong, jprabhak, jschluet, juwatts, jwendell, kegrant, kingland, koliveir, kshier, kverlaen, lchilton, lhh, lphiri, lsvaty, mabashia, manissin, matzew, mbenjamin, mbocek, mburns, mgarciac, mhackett, mhulan, mmakovy, mnovotny, mrunge, njean, nmoumoul, oramraz, osousa, owatkins, pahickey, parichar, pbraun, pcreech, peholase, periklis, pgaikwad, pgrist, pjindal, rcernich, rchan, rhaigner, rjohnson, rojacob, sakbas, sausingh, sdawley, sfeifer, shvarugh, simaishi, slucidi, smallamp, smcdonal, smullick, sostapov, sseago, stcannon, stirabos, tasato, teagle, tfister, thason, thavo, tjochec, vereddy, vimartin, whayutin, wtam, yguenane
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: Doc Type: ---
Doc Text:
A flaw was found in net/http. Handling Proxy-Authorization and Proxy-Authenticate headers during cross-origin redirects allows these headers to be inadvertently forwarded, potentially exposing sensitive authentication credentials. This flaw allows a network-based attacker to manipulate redirect responses, unintentionally exposing authentication details to unauthorized parties.
Story Points: ---
Clone Of: Environment:
Last Closed: Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On: 2374280, 2374705, 2374278    
Bug Blocks:    

Description OSIDB Bzimport 2025-06-18 06:35:20 UTC
Proxy-Authorization and Proxy-Authenticate headers persisted on cross-origin redirects potentially leaking sensitive information.

Comment 5 errata-xmlrpc 2025-07-09 00:50:32 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2025:10672 https://access.redhat.com/errata/RHSA-2025:10672

Comment 6 errata-xmlrpc 2025-07-09 00:52:12 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2025:10676 https://access.redhat.com/errata/RHSA-2025:10676

Comment 7 errata-xmlrpc 2025-07-09 00:52:37 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10

Via RHSA-2025:10677 https://access.redhat.com/errata/RHSA-2025:10677

Comment 10 errata-xmlrpc 2025-09-08 01:23:06 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.4 Extended Update Support

Via RHSA-2025:15406 https://access.redhat.com/errata/RHSA-2025:15406

Comment 11 errata-xmlrpc 2025-09-16 00:55:37 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2025:15887 https://access.redhat.com/errata/RHSA-2025:15887

Comment 12 errata-xmlrpc 2025-09-23 08:24:22 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10

Via RHSA-2025:16432 https://access.redhat.com/errata/RHSA-2025:16432