Bug 1485285

Summary: There is a reachable assertion abort in function jpc_pi_nextrpcl() of JasPer that will lead to remote denial of service attack.
Product: Red Hat Enterprise Linux 7 Reporter: owl337 <v.owl337>
Component: jasperAssignee: Josef Ridky <jridky>
Status: CLOSED WONTFIX QA Contact: Desktop QE <desktop-qa-list>
Severity: unspecified Docs Contact:
Priority: unspecified    
Version: 7.5-AltKeywords: Security
Target Milestone: rc   
Target Release: ---   
Hardware: Unspecified   
OS: Unspecified   
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Clone Of: Environment:
Last Closed: 2020-02-28 10:28:30 UTC Type: Bug
Regression: --- Mount Type: ---
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Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On:    
Bug Blocks: 1488962    
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Description Flags
Triggered by "./imginfo -f POC7" none

Description owl337 2017-08-25 09:26:07 UTC
Created attachment 1318070 [details]
Triggered by  "./imginfo -f POC7"

Description of problem:

There is a reachable assertion abort in function jpc_pi_nextrpcl() of JasPer that will lead to remote denial of service attack.


Version-Release number of selected component (if applicable):

<= latest version

How reproducible:

./imginfo -f POC7

Steps to Reproduce:

The output information is as follows:

$ ./imginfo -f POC7
warning: trailing garbage in marker segment (3 bytes)
warning: trailing garbage in marker segment (6 bytes)
imginfo: /home/icy/secreal/jasper/src/libjasper/jpc/jpc_t2cod.c:305: int jpc_pi_nextrpcl(jpc_pi_t *): Assertion `pi->prcno < pi->pirlvl->numprcs' failed.
Aborted (core dumped)

The gdb debugging information is listed below:
(gdb) set args POC6
(gdb) r 
The program being debugged has been started already.
Start it from the beginning? (y or n) y
Starting program: /home/icy/secreal/jasper/install/bin/imginfo -f  fuzz/output/crashes/id:000116,sig:06,src:002389,op:flip1,pos:210
warning: trailing garbage in marker segment (3 bytes)
warning: trailing garbage in marker segment (6 bytes)
imginfo: /home/icy/secreal/jasper/src/libjasper/jpc/jpc_t2cod.c:305: int jpc_pi_nextrpcl(jpc_pi_t *): Assertion `pi->prcno < pi->pirlvl->numprcs' failed.

Program received signal SIGABRT, Aborted.
0x00007ffff71f8428 in __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:54
54	../sysdeps/unix/sysv/linux/raise.c: No such file or directory.
(gdb) bt
#0  0x00007ffff71f8428 in __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:54
#1  0x00007ffff71fa02a in __GI_abort () at abort.c:89
#2  0x00007ffff71f0bd7 in __assert_fail_base (fmt=<optimized out>, 
    assertion=assertion@entry=0x7ffff7bc23d2 "pi->prcno < pi->pirlvl->numprcs", 
    file=file@entry=0x7ffff7bc2364 "/home/icy/secreal/jasper/src/libjasper/jpc/jpc_t2cod.c", 
    line=line@entry=305, function=function@entry=0x7ffff7bc2412 "int jpc_pi_nextrpcl(jpc_pi_t *)")
    at assert.c:92
#3  0x00007ffff71f0c82 in __GI___assert_fail (assertion=0x7ffff7bc23d2 "pi->prcno < pi->pirlvl->numprcs", 
    file=0x7ffff7bc2364 "/home/icy/secreal/jasper/src/libjasper/jpc/jpc_t2cod.c", line=305, 
    function=0x7ffff7bc2412 "int jpc_pi_nextrpcl(jpc_pi_t *)") at assert.c:101
#4  0x00007ffff7b99c62 in jpc_pi_nextrpcl (pi=<optimized out>)
    at /home/icy/secreal/jasper/src/libjasper/jpc/jpc_t2cod.c:305
#5  jpc_pi_next (pi=<optimized out>) at /home/icy/secreal/jasper/src/libjasper/jpc/jpc_t2cod.c:117
#6  0x00007ffff7b9bf3f in jpc_dec_decodepkts (dec=<optimized out>, pkthdrstream=<optimized out>, 
    in=<optimized out>) at /home/icy/secreal/jasper/src/libjasper/jpc/jpc_t2dec.c:441
#7  0x00007ffff7b44f46 in jpc_dec_process_sod (dec=<optimized out>, ms=<optimized out>)
    at /home/icy/secreal/jasper/src/libjasper/jpc/jpc_dec.c:627
#8  0x00007ffff7b49ceb in jpc_dec_decode (dec=<optimized out>)
    at /home/icy/secreal/jasper/src/libjasper/jpc/jpc_dec.c:424
#9  jpc_decode (in=<optimized out>, optstr=<optimized out>)
---Type <return> to continue, or q <return> to quit---
    at /home/icy/secreal/jasper/src/libjasper/jpc/jpc_dec.c:261
#10 0x00007ffff7b059ce in jas_image_decode (in=<optimized out>, fmt=<optimized out>, optstr=<optimized out>)
    at /home/icy/secreal/jasper/src/libjasper/base/jas_image.c:442
#11 0x0000000000401bab in main (argc=<optimized out>, argv=<optimized out>)
    at /home/icy/secreal/jasper/src/appl/imginfo.c:238
(gdb) b jpc_t2cod.c:305 
Breakpoint 9 at 0x7ffff7b986c8: file /home/icy/secreal/jasper/src/libjasper/jpc/jpc_t2cod.c, line 305.

Trigged in:
Breakpoint 8, calcstepsizes (refstepsize=<optimized out>, numrlvls=24, stepsizes=<optimized out>)
    at /home/icy/secreal/jasper/src/libjasper/jpc/jpc_dec.c:1702
jpc_pi_nextrpcl (pi=<optimized out>)
    at /home/icy/secreal/jasper/src/libjasper/jpc/jpc_t2cod.c:305
300							prcvind = JPC_FLOORDIVPOW2(JPC_CEILDIV(pi->y,
301							  pi->picomp->vsamp << r), pi->pirlvl->prcheightexpn) -
302							  JPC_FLOORDIVPOW2(try0, pi->pirlvl->prcheightexpn);
303							pi->prcno = prcvind * pi->pirlvl->numhprcs + prchind;
304	
305							assert(pi->prcno < pi->pirlvl->numprcs);
306							for (pi->lyrno = 0; pi->lyrno <
307							  pi->numlyrs && pi->lyrno < JAS_CAST(int,
308							  pchg->lyrnoend); ++pi->lyrno) {
309								prclyrno = &pi->pirlvl->prclyrnos[pi->prcno];


Actual results:

crash

Expected results:

crash

Additional info:

Credits:

This vulnerability is detected by team OWL337, with our custom fuzzer collAFL. Please contact ganshuitao   and chaoz.cn if you need more info about the team, the tool or the vulnerability.

Comment 2 Josef Ridky 2017-08-25 10:37:29 UTC
Thank you for taking the time to report this issue to us. We appreciate the feedback and use reports such as this one to guide our efforts at improving our products. That being said, this bug tracking system is not a mechanism for requesting support, and we are not able to guarantee the timeliness or suitability of a resolution.

If this issue is critical or in any way time sensitive, please raise a ticket through the regular Red Hat support channels to ensure it receives the proper attention and prioritization to assure a timely resolution. 

For information on how to contact the Red Hat production support team, please visit:
    https://www.redhat.com/support/process/production/#howto

For proper identification of issue are required properly filled following information:

- Description of problem
- Version-Release number of selected component (if applicable)
- Steps to Reproduce
- Actual results
- Expected results
- Additional info

Comment 3 Josef Ridky 2020-02-28 10:28:30 UTC
This vulnerability was evaluated by the sub-system, taking into account the kind of the component, and its use cases. It was not considered as a priority for the next release, so it's being closed now as WONTFIX. Feel free to re-open the bug if there is a business reason to deliver a fix for this issue, and contact Red Hat Customer Support to request a re-evaluation of the issue, citing a clear business justification. Red Hat Customer Support can be contacted via the Red Hat Customer Portal at the following URL:

https://access.redhat.com