Amazon Linux 2 Security Advisory: ALAS-2020-1509
Advisory Release Date: 2020-10-22 17:27 Pacific
Advisory Updated Date: 2020-10-22 22:38 Pacific
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
Note:
This advisory is applicable to Amazon Linux 2 (AL2) Core repository. Visit this FAQ section for the difference between AL2 Core and AL2 Extras advisories.
Issue Correction:
Run yum update e2fsprogs to update your system.
aarch64:
e2fsprogs-1.42.9-19.amzn2.aarch64
e2fsprogs-libs-1.42.9-19.amzn2.aarch64
e2fsprogs-static-1.42.9-19.amzn2.aarch64
e2fsprogs-devel-1.42.9-19.amzn2.aarch64
libcom_err-1.42.9-19.amzn2.aarch64
libcom_err-devel-1.42.9-19.amzn2.aarch64
libss-1.42.9-19.amzn2.aarch64
libss-devel-1.42.9-19.amzn2.aarch64
e2fsprogs-debuginfo-1.42.9-19.amzn2.aarch64
i686:
e2fsprogs-1.42.9-19.amzn2.i686
e2fsprogs-libs-1.42.9-19.amzn2.i686
e2fsprogs-static-1.42.9-19.amzn2.i686
e2fsprogs-devel-1.42.9-19.amzn2.i686
libcom_err-1.42.9-19.amzn2.i686
libcom_err-devel-1.42.9-19.amzn2.i686
libss-1.42.9-19.amzn2.i686
libss-devel-1.42.9-19.amzn2.i686
e2fsprogs-debuginfo-1.42.9-19.amzn2.i686
src:
e2fsprogs-1.42.9-19.amzn2.src
x86_64:
e2fsprogs-1.42.9-19.amzn2.x86_64
e2fsprogs-libs-1.42.9-19.amzn2.x86_64
e2fsprogs-static-1.42.9-19.amzn2.x86_64
e2fsprogs-devel-1.42.9-19.amzn2.x86_64
libcom_err-1.42.9-19.amzn2.x86_64
libcom_err-devel-1.42.9-19.amzn2.x86_64
libss-1.42.9-19.amzn2.x86_64
libss-devel-1.42.9-19.amzn2.x86_64
e2fsprogs-debuginfo-1.42.9-19.amzn2.x86_64