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amazonAmazonALAS2-2020-1530
HistoryOct 22, 2020 - 6:18 p.m.

Medium: libsrtp

2020-10-2218:18:00
alas.aws.amazon.com
12

7.8 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

AV:N/AC:L/Au:N/C:N/I:N/A:C

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

7.5 High

AI Score

Confidence

High

0.026 Low

EPSS

Percentile

90.3%

Issue Overview:

Buffer overflow in srtp.c in libsrtp in srtp 1.4.5 and earlier allows remote attackers to cause a denial of service (crash) via vectors related to a length inconsistency in the crypto_policy_set_from_profile_for_rtp and srtp_protect functions. (CVE-2013-2139)

The encryption-processing feature in Cisco libSRTP before 1.5.3 allows remote attackers to cause a denial of service via crafted fields in SRTP packets, aka Bug ID CSCux00686. (CVE-2015-6360)

Affected Packages:

libsrtp

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 libsrtp to update your system.

New Packages:

aarch64:  
    libsrtp-1.4.4-11.20101004cvs.amzn2.aarch64  
    libsrtp-devel-1.4.4-11.20101004cvs.amzn2.aarch64  
    libsrtp-debuginfo-1.4.4-11.20101004cvs.amzn2.aarch64  
  
i686:  
    libsrtp-1.4.4-11.20101004cvs.amzn2.i686  
    libsrtp-devel-1.4.4-11.20101004cvs.amzn2.i686  
    libsrtp-debuginfo-1.4.4-11.20101004cvs.amzn2.i686  
  
src:  
    libsrtp-1.4.4-11.20101004cvs.amzn2.src  
  
x86_64:  
    libsrtp-1.4.4-11.20101004cvs.amzn2.x86_64  
    libsrtp-devel-1.4.4-11.20101004cvs.amzn2.x86_64  
    libsrtp-debuginfo-1.4.4-11.20101004cvs.amzn2.x86_64  

Additional References

Red Hat: CVE-2013-2139, CVE-2015-6360

Mitre: CVE-2013-2139, CVE-2015-6360

7.8 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

AV:N/AC:L/Au:N/C:N/I:N/A:C

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

7.5 High

AI Score

Confidence

High

0.026 Low

EPSS

Percentile

90.3%