Medium: e2fsprogs

Issue Overview:

An exploitable code execution vulnerability exists in the quota file functionality of E2fsprogs 1.45.3. A specially crafted ext4 partition can cause an out-of-bounds write on the heap, resulting in code execution. An attacker can corrupt a partition to trigger this vulnerability. (CVE-2019-5094)

A code execution vulnerability exists in the directory rehashing functionality of E2fsprogs e2fsck 1.45.4. A specially crafted ext4 directory can cause an out-of-bounds write on the stack, resulting in code execution. An attacker can corrupt a partition to trigger this vulnerability. (CVE-2019-5188)

Affected Packages:

e2fsprogs

Issue Correction:
Run yum update e2fsprogs to update your system.

New Packages:

i686:  
    e2fsprogs-static-1.43.5-2.44.amzn1.i686  
    libcom_err-devel-1.43.5-2.44.amzn1.i686  
    e2fsprogs-1.43.5-2.44.amzn1.i686  
    libss-1.43.5-2.44.amzn1.i686  
    e2fsprogs-libs-1.43.5-2.44.amzn1.i686  
    e2fsprogs-debuginfo-1.43.5-2.44.amzn1.i686  
    libcom_err-1.43.5-2.44.amzn1.i686  
    libss-devel-1.43.5-2.44.amzn1.i686  
    e2fsprogs-devel-1.43.5-2.44.amzn1.i686  
  
src:  
    e2fsprogs-1.43.5-2.44.amzn1.src  
  
x86_64:  
    e2fsprogs-1.43.5-2.44.amzn1.x86_64  
    e2fsprogs-libs-1.43.5-2.44.amzn1.x86_64  
    libcom_err-1.43.5-2.44.amzn1.x86_64  
    libcom_err-devel-1.43.5-2.44.amzn1.x86_64  
    libss-devel-1.43.5-2.44.amzn1.x86_64  
    libss-1.43.5-2.44.amzn1.x86_64  
    e2fsprogs-debuginfo-1.43.5-2.44.amzn1.x86_64  
    e2fsprogs-static-1.43.5-2.44.amzn1.x86_64  
    e2fsprogs-devel-1.43.5-2.44.amzn1.x86_64  

Additional References

Red Hat: CVE-2019-5094, CVE-2019-5188

Mitre: CVE-2019-5094, CVE-2019-5188