https://bugzilla.redhat.com/show_bug.cgi?id=1758191
Bug ID: 1758191
Summary: CVE-2019-16943 jackson-databind: Serialization gadgets
in classes of the commons-dbcp package
Product: Security Response
Hardware: All
OS: Linux
Status: NEW
Component: vulnerability
Keywords: Security
Severity: medium
Priority: medium
Assignee: security-response-team(a)redhat.com
Reporter: psampaio(a)redhat.com
CC: aileenc(a)redhat.com, akoufoud(a)redhat.com,
alazarot(a)redhat.com, almorale(a)redhat.com,
anstephe(a)redhat.com, asoldano(a)redhat.com,
atangrin(a)redhat.com, ataylor(a)redhat.com,
avibelli(a)redhat.com, bbaranow(a)redhat.com,
bbuckingham(a)redhat.com, bcourt(a)redhat.com,
bgeorges(a)redhat.com, bkearney(a)redhat.com,
bmaxwell(a)redhat.com, bmontgom(a)redhat.com,
brian.stansberry(a)redhat.com, btotty(a)redhat.com,
cbyrne(a)redhat.com, cdewolf(a)redhat.com,
chazlett(a)redhat.com, cmacedo(a)redhat.com,
darran.lofthouse(a)redhat.com, dbecker(a)redhat.com,
decathorpe(a)gmail.com, dffrench(a)redhat.com,
dosoudil(a)redhat.com, drieden(a)redhat.com,
drusso(a)redhat.com, eparis(a)redhat.com,
etirelli(a)redhat.com, ganandan(a)redhat.com,
ggaughan(a)redhat.com, hhorak(a)redhat.com,
hhudgeon(a)redhat.com, ibek(a)redhat.com,
iweiss(a)redhat.com, janstey(a)redhat.com,
java-sig-commits(a)lists.fedoraproject.org,
jawilson(a)redhat.com, jbalunas(a)redhat.com,
jburrell(a)redhat.com, jjoyce(a)redhat.com,
jmadigan(a)redhat.com, jochrist(a)redhat.com,
jokerman(a)redhat.com, jolee(a)redhat.com,
jorton(a)redhat.com, jpallich(a)redhat.com,
jperkins(a)redhat.com, jschatte(a)redhat.com,
jschluet(a)redhat.com, jshepherd(a)redhat.com,
jstastny(a)redhat.com, kbasil(a)redhat.com,
krathod(a)redhat.com, kverlaen(a)redhat.com,
kwills(a)redhat.com, lef(a)fedoraproject.org,
lgao(a)redhat.com, lhh(a)redhat.com, lpeer(a)redhat.com,
lthon(a)redhat.com, lzap(a)redhat.com,
mat.booth(a)redhat.com, mburns(a)redhat.com,
mkolesni(a)redhat.com, mmccune(a)redhat.com,
mnovotny(a)redhat.com, msochure(a)redhat.com,
msvehla(a)redhat.com, mszynkie(a)redhat.com,
ngough(a)redhat.com, nstielau(a)redhat.com,
nwallace(a)redhat.com, paradhya(a)redhat.com,
pdrozd(a)redhat.com, pgallagh(a)redhat.com,
pmackay(a)redhat.com, psotirop(a)redhat.com,
puntogil(a)libero.it, pwright(a)redhat.com,
rchan(a)redhat.com, rguimara(a)redhat.com,
rhcs-maint(a)redhat.com, rjerrido(a)redhat.com,
rrajasek(a)redhat.com, rruss(a)redhat.com,
rsvoboda(a)redhat.com, rsynek(a)redhat.com,
sclewis(a)redhat.com, scohen(a)redhat.com,
sdaley(a)redhat.com, slinaber(a)redhat.com,
smaestri(a)redhat.com, sponnaga(a)redhat.com,
stewardship-sig(a)lists.fedoraproject.org,
sthorger(a)redhat.com, swoodman(a)redhat.com,
tbrisker(a)redhat.com, tom.jenkinson(a)redhat.com,
trepel(a)redhat.com, trogers(a)redhat.com,
twalsh(a)redhat.com, vhalbert(a)redhat.com
Target Milestone: ---
Classification: Other
A Polymorphic Typing issue was discovered in FasterXML jackson-databind 2.0.0
through 2.9.10. When Default Typing is enabled (either globally or for a
specific property) for an externally exposed JSON endpoint and the service has
the p6spy (3.8.6) jar in the classpath, and an attacker can find an RMI service
endpoint to access, it is possible to make the service execute a malicious
payload. This issue exists because of com.p6spy.engine.spy.P6DataSource
mishandling.
Upstream issue:
https://github.com/FasterXML/jackson-databind/issues/2478
Upstream patch:
https://github.com/FasterXML/jackson-databind/commit/bc67eb11a7cf57561f86...
https://github.com/FasterXML/jackson-databind/commit/328a0f833daf6baa443a...
https://github.com/FasterXML/jackson-databind/commit/54aa38d87dcffa5ccc23...
References:
https://medium.com/@cowtowncoder/on-jackson-cves-dont-panic-here-is-what-...
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