https://bugzilla.redhat.com/show_bug.cgi?id=1981533
Bug ID: 1981533
Summary: CVE-2021-33037 tomcat: HTTP request smuggling when
used with a reverse proxy
Product: Security Response
Hardware: All
OS: Linux
Status: NEW
Component: vulnerability
Keywords: Security
Severity: low
Priority: low
Assignee: security-response-team(a)redhat.com
Reporter: gsuckevi(a)redhat.com
CC: aileenc(a)redhat.com, akoufoud(a)redhat.com,
alazarot(a)redhat.com, alee(a)redhat.com,
almorale(a)redhat.com, anstephe(a)redhat.com,
asoldano(a)redhat.com, atangrin(a)redhat.com,
avibelli(a)redhat.com, bbaranow(a)redhat.com,
bgeorges(a)redhat.com, bmaxwell(a)redhat.com,
brian.stansberry(a)redhat.com, cdewolf(a)redhat.com,
chazlett(a)redhat.com, cmoulliard(a)redhat.com,
coolsvap(a)gmail.com, csutherl(a)redhat.com,
darran.lofthouse(a)redhat.com, dbecker(a)redhat.com,
dkreling(a)redhat.com, dosoudil(a)redhat.com,
drieden(a)redhat.com, eleandro(a)redhat.com,
etirelli(a)redhat.com, fjuma(a)redhat.com,
ggaughan(a)redhat.com, gmalinko(a)redhat.com,
gzaronik(a)redhat.com, huwang(a)redhat.com,
ibek(a)redhat.com, ikanello(a)redhat.com,
ivan.afonichev(a)gmail.com, iweiss(a)redhat.com,
janstey(a)redhat.com,
java-sig-commits(a)lists.fedoraproject.org,
jclere(a)redhat.com, jjoyce(a)redhat.com,
jochrist(a)redhat.com, jolee(a)redhat.com,
jpallich(a)redhat.com, jperkins(a)redhat.com,
jrokos(a)redhat.com, jschatte(a)redhat.com,
jschluet(a)redhat.com, jstastny(a)redhat.com,
jwon(a)redhat.com, krathod(a)redhat.com,
krzysztof.daniel(a)gmail.com, kverlaen(a)redhat.com,
kwills(a)redhat.com, lgao(a)redhat.com, lhh(a)redhat.com,
lpeer(a)redhat.com, lthon(a)redhat.com, mburns(a)redhat.com,
mkolesni(a)redhat.com, mnovotny(a)redhat.com,
msochure(a)redhat.com, msvehla(a)redhat.com,
mszynkie(a)redhat.com, nwallace(a)redhat.com,
peholase(a)redhat.com, pgallagh(a)redhat.com,
pjindal(a)redhat.com, pmackay(a)redhat.com,
rguimara(a)redhat.com, rhcs-maint(a)redhat.com,
rrajasek(a)redhat.com, rruss(a)redhat.com,
rstancel(a)redhat.com, rsvoboda(a)redhat.com,
sclewis(a)redhat.com, scohen(a)redhat.com,
slinaber(a)redhat.com, smaestri(a)redhat.com,
szappis(a)redhat.com, tom.jenkinson(a)redhat.com,
tzimanyi(a)redhat.com, yborgess(a)redhat.com
Target Milestone: ---
Classification: Other
Apache Tomcat 10.0.0-M1 to 10.0.6, 9.0.0.M1 to 9.0.46 and 8.5.0 to 8.5.66 did
not correctly parse the HTTP transfer-encoding request header in some
circumstances leading to the possibility to request smuggling when used with a
reverse proxy. Specifically: - Tomcat incorrectly ignored the transfer encoding
header if the client declared it would only accept an HTTP/1.0 response; -
Tomcat honoured the identify encoding; and - Tomcat did not ensure that, if
present, the chunked encoding was the final encoding.
Reference:
https://lists.apache.org/thread.html/r612a79269b0d5e5780c62dfd34286a80372...
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