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amazonAmazonALAS-2022-1640
HistoryDec 01, 2022 - 5:33 p.m.

Important: rsync

2022-12-0117:33:00
alas.aws.amazon.com
11

0.003 Low

EPSS

Percentile

68.2%

Issue Overview:

An out-of-bounds access flaw was found in zlib, which allows memory corruption when deflating (ex: when compressing) if the input has many distant matches. For some rare inputs with a large number of distant matches (crafted payloads), the buffer into which the compressed or deflated data is written can overwrite the distance symbol table which it overlays. This issue results in corrupted output due to invalid distances, which leads to out-of-bound access, corrupting the memory and potentially crashing the application. (CVE-2018-25032)

Affected Packages:

rsync

Issue Correction:
Run yum update rsync to update your system.

New Packages:

i686:  
    rsync-3.0.6-12.14.amzn1.i686  
    rsync-debuginfo-3.0.6-12.14.amzn1.i686  
  
src:  
    rsync-3.0.6-12.14.amzn1.src  
  
x86_64:  
    rsync-debuginfo-3.0.6-12.14.amzn1.x86_64  
    rsync-3.0.6-12.14.amzn1.x86_64  

Additional References

Red Hat: CVE-2018-25032

Mitre: CVE-2018-25032